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FIELD NOTES Doug BELL DATE: February 28, 1988 LOCATION: Bodega Bay, Marin Co., Calif + Pelagic Birding Trip out to the Bodega Canyon & Cordell Banks (30 miles out). Drove from Berkeley to Bodega in 59 minutes - a record! Arrived at 6:00 AM. Went to the boat (TARIS II) at 6:30 - with John Trochet, Durell Kapan, Dave, Francis Will, Julie Smith, Scott Edwards. Weather was unsettled, overcast, windy. Bay itself was choppy. We were underway by 6:45 AM. A few Glaucous-winged Gulls around. Many Westerns, few Ring-billed gulls. Possible imm. Glaucous gull. Coots rafting. Couple flocks of Marbled Godwits, a few Common Loons - all in Bay. Rough water on the way out past the head. Open ocean also rough for the latter part of the morning. Generally, we saw fewer seabirds than on our Monterey trip last October. In addition, the large rafts of gulls seem to have migrated out. Over the course of the day we were treated to occasional Sooty and Short-tailed Shearwaters, one Pink-footed Shearwater, possibly 4 different Black-footed Albatross, one Laysan Albatross, several Northern Fulmar - one dark, one light and one intermediate color phase. A single pomarine jaeger came by, as did a Kittiwake. Several Herring Gulls. One Black-footed Albatross even set down in the water! Running with the bow of our boat were several White-sided Dolphins very close, good views. Back in Bodega Bay, the weather Sawin Bay: Eared Grebe, Western Clarks was clear & sunny, calm. Grebes (orange bill), Lesser Scaup, Pelagic Cormorant, Double-crested Cormorants, a flock of 20 Brant, American Widgeon + 1 European Widgeon, Pintail, Surf Scoter.
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FIELD NOTES Don Bell Alcatraz Island, S.F. Co., Calif. Date: March 17, 1988 Time: 11:26- Tide: high - rock covered Weather: sunny, fog burned off low mind 11:26- at blind on eastern 46 gulls present on eastern. Major disputes at territories going on - grappling, etc. Rending gull calls from 11:30 to 12:30. There have been some angry fights, both on the eastern & IB. Also much choking between 3 different pairs at one spot - near territory 26/34/27. On IB roof a great deal of interpair choking is occurring. I have seen a pair of birds choke at a choking intruder. Some head tossing occurring, no courtship feeds can yet, but zw. 11:30 to 12:30 3 attempted copulations occurred. One, at pair 30 - which consists possibly of two yellow- silver banded & (remdy are from last year). There may be another & trying to maintain itself at pair 30, as standoffs are occurring. Another attempted copulation took place near pair 7; and a probably successful copulation was made by pair 30 - of which the & is the white/silver bird. 12:48 a new silver/pink & spotted on eastern. His appearance raised a success near pair 31. @ 12:49- 41 gulls on eastern. Pair 1 keeps choking at some spot. Correction - above on banded birds. The pink silver male still seems to be near pair 32. There just might be another light yellow/ silver male & hanging out at the eastern 12:59- a male mallard landed on IB roof. Then flew to eastern slope. Is now resting - head tucked - on the eastern itself. 13:00 rending behaviors - most
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Field Notes Doug Bell April 6, 1988 08:50: Todd has begun chain saw over near W end of the rock. The falcons have shown absolutely no reaction to it, in spite of noise being clearly heard. 8:57- The female is still on snag C - she was preening, also wailed every minute or so. She has her back turned towards me - was stretching her right foot in that classic called foot falcon manner. Her back is very light slate grey and is two-tone - the secondary coverts and tertials are lighter than the upper shoulder & head feathers. 8:57- female wailed, is looking up the rock. I think she is trying to convince the male to go off hunting for her. I can see 6 faint dark bars, thin, on her tail. The tail tip is just barely fringed in cream. Her legs are pale yellow, as is her cere. The male's head is visible just over the ledge of the path - he's been sitting very calmly on the eggs wailing 9:04- female still warbling every minute or so; her rate seems to be increasing. I think she is missing primary no. 8 - as evidenced by a gap when she warbled her right wing. 9:12- I warbled her left wing, then turned sideways towards me so over her right side is visible & preening, scratching right ear often. She has substantial thick black barring on her flanks & thighs. It goes over to spotting/thin barring just below breast. There is a fair amount of pinkish hue to her upper belly. Her head is dark, with a thick malar strip such that she almost has a continuous dark cap, except for a white chin and a thin stretch of white
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Field Notes Doug Bell Location: Golden Gate Hill; 6.5 miles SW of Mokelumne Hill, Calaveras Co., Calif. Date: April 10, 1988 Maren and I left Berkeley at 7:45. Travelled Highway 26 to Golden Gate Hill (off State Route 12). Along 26 we found a freshly killed Lewis Woodpecker (ad.). Parked at the access road to the (communications Towers) atop Golden Gate Hill. Began hiking up to the hill at 10:55. Passing through grassland/oak trees. Lots of Western Bluebirds, Starlings, Western Kingbirds, Lark Sparrows, one American Goldfinch. Lark Sparrows were particularly engaged in territorial disputes + singing their warbles. Imm. Red-tail, Violett-green Swallows, white-throated Swifts circling in the hot air; the temperature was at least 75 and rising. We ascended into mixed [illegible] Digger Pine, Manzanita, Live-oak Sausal woodland. Lesser Goldfinches feeding on red grasses. Numerous Anna's Hum- mingbirds in the Monkey Flowers. Rufous-sided Towhees, Brown Towhees in scrub. At the top we had to hike through chaparral to get to the cliffs on the SE face of the hill. At cliffs by 11:00 am. Very hot in sun. Loads of White-throated Swifts, Violett-greens, some cliff Swallows. 2 Red-tails soaring; about 10 Turkey Vultures. A Blue-gray Gnatcatcher appeared for a minute out of the chaparral. Found a cave in one of the cliffs - cavern-like, room-size. Cool - lots of Swift nests (half-cups) + one cliff-Swallow nest, plastered up against the ceiling. On many ledges were great scratches of white and pinkish-white excrement. The floor of
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Field Notes Doug Bell Aleuties Island, S.F. Co., Calif. Weather - intermittent thundershowers Time: 10:36 - Tide - low, 1.5m rock exposed. April 20, 1988 On cistern, in blind observing gulls. High level of activity going on. 10:38 - 59 gulls on the cistern area. 3 birds might be incubating. The ♀ of pair 30 is landed - silver, left, ♂ not landed. ♂ of pair 31 landed yellow-silver, left. Looks like ♂s of pairs 33 & 36 are landed, silver left. Two courtship feeds seen so far - one was a pigeon leg, other was fish, medium sized. One attempted copulation, one successful, nest building activity too. 11:30 - 32 gulls on cistern. A pair of gulls is on the water tower - ♂ has darkened left ear. 11:48 - 2 courtship feeds seen - one of a large fish, other of anchovies. 2 copulations. Recording gull voices. 12:00 2 more copulations seen, recorded on tape. Went out to the cistern area to count nests, check for eggs: [illegible] 23 nests counted on cistern, but no eggs found. Surprising really. Back in February it seemed like this would be an early year. 13:00 - 14:30 - attempted trapping with moose rings laid out over nests (2) on perimeter west of Industry Building. Since the nests were eggless - no luck, gulls ignored the trap. Heavy rains, intermittent. I did however, surprise some gulls on the Power House, and unintentionally, cornered me along a cyclone fence. I caught it DA13 254 (234). I don't know if it was sick, but its primary tops are all quite raty. Seems to be heavy winged fat though! Other birds observed on Aleuties
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Field Notes Doug Bell Humboldt County, Phelps Ranch Guerreville Peregrine Eyrie - update: April 28 to May 4, 1988 On May 28th Matt Nixson headed down to Diablo Canyon (SLO county) to place 2 two-week old chicks in the eyrie. As it turned out, the peregrines had long abandoned this site. The dummy eggs were cold, so they turned around and headed for Guerneville to put these two chicks in. Drove through the night, met Todd who brought Matt in to the Ranch. They arrived at Goat Rock in the early morning. Matt got the ropes set up, then climbed down. The female was scared off the ledge & put up a huge defense - all by herself. Male nowhere in sight. Matt had trouble with the ropes, couldn't make it to the ledge, had to return to top, straighten things out & go back down. Finally succeeded in placing chicks in eyrie, but only after keeping the female agitated for a couple hours, alone. After that, Matt watched the cliff from afar - the male showed up, flew to ledge, showed interest in young. He apparently obtained food twice for the female, but she was not interested in feeding the chicks. In fact, she avoided the ledge, maybe only sat on it once. After several hours, Matt climbed in, took the young back out, replaced with dummy eggs. The two chicks went to the eyrie at Blassadero, Napa, the next day, and were accepted right off. On May 4, Matt brought a younger (1 week) hybrid falcon chick to Goat Rock and placed it in the nest ledge, but the falcons had not been around the rock much, so he had to take it back out.
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Field Notes Doug Bell June 10, 1988 On Red Rock Island with Michael Fawcett and Jim Roth from the UC Richmond Field Station. Weather is clear, sunny, medium wind. We drove 14' aluminum skiff w/25hp motor. Landed on the NE beach - which directly faces the Richmond-San Rafael Bridge. Very calm on this side since it is protected from the prevailing winds. About 40 gulls are resting in a "club" on the beach. Several nests w/eggs or chicks also on beach - right at high tide line. The gulls are surprisingly tame - they go back on their nests within 20' of us. I started exploring the island & counting gulls (see survey sheet next page. At NE end of island one can walk through a spall in the rocks to the north beach. The NE slope is steep, w/ mostly shrubs and poison oak. In contrast, the N + W slopes are sheer cliffs, about 40-80 feet in height. On ledges and grassy outcrops gulls also nesting. Counted 8 dead gull chicks at the base of the cliffs. In N face is a cave that leads deep into the rock. I followed it for 20 feet, but stopped after I couldn't see any more. Jim & Michael explored it with flashlight - they said it went back very far, opened up into a large cavern 15' high (3), and then dropped off steep. Bizarre? I think there may be white-throated swifts nesting in this and similar cliffs - saw at various times up to 8 swifts flying above the island. The NW slope is the sharent in cliffs - very nice. At SW + Slope there are many loose rock "washers". I clambered up one of these to to the top. The air literally filled with gulls. The top of Red Rock is quite spacious, and has variably-steep slopes on all sides. The W + NW slopes on top are open +
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Field Notes Doug Bell June 10, 1988 grassy. A few rocky outcrops and ledges increase the surface area. Here are many gull nests. While counting chicks I scared up a large Canada Goose - it flew out of a spalt between two rock outcrops. At the back of the spalt, nestled by 3 rock faces, was a large F Canada Goose sitting on her nest. She did not spook, but remained sitting. This was a nice spot for a nest - I bet peregrines used to nest in this spalt. Probably measured 15' long x 3' wide, opened to a rocky cliff. The NE & E top slopes are fairly covered in low brush. The N & S tops have scattered Monterey Pine & Cypress trees - found a black-crowned Night heron nest + 3 chicks + 1 egg (light blue) in a So. cypress. The whole southern slope of the rock is good, more gentle. Lots of gull nests here. Much poison oak farther down. Counted about 19 B-C Night Herons in the low limbers here. Saw 9 Double-crested Cormorants feeding in waters off this slope. The island has many small mammal burrows. Michael saw a Sceloporus lizard. The soil is quite dry, all grass brown in spite of our late rains this year. See survey sheet - I counted 144 definite gull nests, covered probably 70% of gull nesting habitat. I estimate, then, probably 200 Western Gull nests for this island, a conservative estimate. Trapped one gull (048 323) off 3 egg nest, shot 4 birds -> one shot took out a pair of gulls at a nest (324, 325) which I discovered unfortunately had 2 chicks. Shot another fly-by gull 326, and one off a 3 egg nest, 327.
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Field Notes Doug Bell June 12, 1988 Left Berkeley at 18:00, going north on HWY 101. Exactly 96.4 miles later I stopped at Squaw Rock to look for the peregrines. 20:00 - after watching the rock for only a few minutes, the tiercel came into view out of the NW. He arced across the rock face in long swoops, then landed on a small ~~~~~ rock to the left and below of the nesting ledge. It looked like he was holding a chunk of small bird in his r.t. foot, but the next minute he wasn't holding it anymore. I didn't see him eat it, so I might have just missed seeing him cache it in the corner. The tiercel is on a well-protected and overhanging rock that is walled on 2 sides dry cliff face. He preened his shoulder a bit, then looked around at some of the swallows flying by. Seems to be quite related. I hiked up the opposite slope a ways to get a better view of the nest ledge. It looks good for all the ~~experiment~~ ~ white-wash. Do they have young? The falcon flew into view and landed on a ledge to the right and below the nest ledge. No sound of begging young. & preening. The male's back is to me - he looks very dark, especially the head. Malar stripe present as ~~a~~ "cap". His cere & feet are deep yellow - breast appears very "clean". The female as looks dark, but her soft parts are duller yellow. Watched these two sitting in their respective rocks until 21:00. No other activity seen. It is encouraging that they are roosting so close the nest ledge. Talked to Marty Kinners (BCM) over
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Field Notes Doug Bell 14 June 1988 Clamorous-winged Gull was dive-bombing me. Caught a ♂ WG (DAB 328) that has a slight sub-adult appearance - touch of brown in coverts, primary tips, some black on tail. Then set trap over 2 egg nest south of the Lighthouse. Caught gorgeous ♀ (DAB 329) WG. Then, surprise, mate of 328 was caught (DAB 330) - it is a hybrid ♀: light back, + dark P° tips, but lighter than WG's, eye ring pink + yellow, iris greyish. Also caught mate of 329 - DAB 331. Quite successful. Many WGs here, some sub-adults breeding. Searched the north face of West point for the GWG's of last year. Saw only one bird, at about the same spot as last year, can't tell if it's mated. Pelagic Cormorants on the North face cliffs, double-crested nesting on the top flat, intermixed w/gulls. Most migratory. Several Tufted Puffins - real close- soaring past. Pigeon Guillemott, Many Brown Pelicans resting. Weather foggy, calm. 15 June 1988 Picked up the key from Cape Arago Light from Mr. Seifried. Out on the island by 10:00 a.m. Set trap out over 3 egg nest near the foghorn. Eggs jiggling. Promptly caught the ♀ DAB 332. Weather soaking in. Forgot to mention, yesterday saw 2 GWG on bridge as I was walking out, also Belted Kingfisher - probably at nest on eastern cliff beneath roots/pins of mainland. Once again, a good GWG is hanging out at the North face cliff. Also, a good GWG is soaring about the island, concentrating on the area near the foghorn. A further hybrid gull shows up every
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Field Notes Doug Bell 15 June 1988 and then - also soaring around. Good mind today, birds. Brandts Cormorants are also nesting out on the west peninsula. They are further down than the Double-vented cormorants. A cow was inspecting the island. Small family group of House Finches came by. Counted about 150 gulls out on the western peninsula of Cape Arago Lighthouse. Also just noticed a ♂ GWC - dark iris, purplish eyering, P° tips darker than back, but nevertheless lighter than W's., sitting on nest at start of west peninsula, north side. Its nest is troaked in an earthen ledge, with root support about 1 yard below the cliff top. The cliff top is overgrown. The ♂ GWC has an deep yellow-orange bill, and its eyerings are somewhat defathered, giving it a "teary" appearance. This bird was incubating, but was soon relieved by a ♀ Western Gull - with rather dark irides, otherwise a perfect WG. They switched at the nest, then the male GWC brought back nest material in 2 strips, gave this to the ♀ WG. She rearranged nest a bit. This is the GWC that I have seen soaring near here? Watching it soar and gather more nest material than the sepe. It's P° tips are indeed very light - only a few shades darker than its' back. Next to the ♀ WG it's back looks very light, and its bill is duller in color, not as deep orange as that of its WG mate. Definitely dark irides. Fantastic! By the way, I put the piping eggs from the trapped into 2 other nests - one went in a 2 egg nest, and two eggs went into a one-egg nest that I actually tried to
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Field Notes Dave Bell June 25, 1988 60 Common Gulls nesting on beach. Couple of Caspian Terns too. Song Sparrows on beach. Barn Swallows + Kingfishers in river. South of Taholah, about 5 miles, are 3 fair-sized offshore rocks and one smaller one, all suitable for seabird nesting. They lie just off Point. The northernmost of these rocks has Double- breasted Cormorants nesting (8 nests visible), about 20 loafing gulls. D-C Cormorants, loads of Common Murres, most of which appear to be nesting, and, of course, gulls: 5 gull nests visible, 3 of which have WC's incubating on them. On the mainland cliffs of the point just across from this rock are another 5 nests: 3 id'd: WGxWG (2) + HYxHY (1). These nests are in grass, cutbank cliffs. The offshore rock has at least 2 WGxWG and 1 BH ?WG nests. Total gull freq for rock is 9:3 WC:HY. It is essentially straight-walled rock w/grassy flat top. The farthest offshore rock, between the other 2 large rocks in a N-S gradient, is the largest - has loads of Cormorants, Common Murres - but I only count 2 gull nests. Too far out for accurate id, but may be both WC. Probably 800-1000 Murres on it. Just saw a Tufted Puffin fly by. Also - Pelagic Cormorants nesting both on estuary cliffs & offshore rocks here. Several nows "hanging around" the rocks. Found one Murre + one Cormorant egg on shore - both eaten. The next rock for breeding is south of the above two, and is a small pillar - it has one WCxWC nest - on rock. The large rock south of
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Field Notes July 20, 1988 Met Tex Lyon, who used to send lots of Peel's Falcons to Major Allen Brooks in the 30's, trapped mice w/ Terrible Tom McCabe (name due to temper). Tex said he would take me out around Beaver Harbor for gull shooting. We first had lunch at his house, listened to a plethora of natural history. Tex was born in 1907, spent all his life in Port Hardy, fished for everything on every type of boat, worked on the wharf for years - including during WWII. He writes a weekly column in the local paper. Very sharp - full of lore. We went out in his skiff at approaching high tide - around 13:00 - 15:00. Saw only loads of California Gulls - adults + juniors. Tex said they always show up in late spring for a couple months - non-breeders. We saw a pair of Bald Eagles w/nest + 1 young visible. He said he watched a 5 stranger Eagle mate w/ the & once, the male to the & care tearing over, chased the sneaker off. That year they too did not hatch young! GW's used to nest on a local rock, about 15 pair, but they no longer do. Too much people disturbance. We saw loads of wildlife - Spotted Sandpipers (1), Surf & White-winged Scoter, Harlequin Ducks (mostly ♀ imm, one gorgeous ♂), Black Turnstones (many), Rhino anklets, Red-necked Stiles, Plover, Gulls, Black Scoters, Harbor Seals. Tex said mink + deer ↑ groups. make it out to the offshore islets. Wolves were nearly decimated on V.C.I. in 40's, then came way back up, now have sort of leveled off. Goshawks & Kestrels have
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Field Notes Dony Bell July 25, 1988 But since the causeway was put in its become freshwater. Anyway, they have neat data on the birds. John is Ted Miller's good student. The causeway will be turn out to allow the marsh to revert to salt water. Will be interesting to see how the sandpipers do. I called Chris Manns, who had contacted Michael Brown of Canadian Fisheries. Michael is down in Port Clements. We drove down there, found out Michael's telephone no, and called. He agreed to take me out to the islands in Massett Inlet for gulls - and no charge, since he said he has to patrol anyway. So we agreed to meet at the dock at 15:00. Michael is a big fellow - beard, thick glasses. We headed out into the inlet - thick overcast red clouds looming in the horizon. I collected the first three gulls we saw - 2 / one shot off a log near Sloop Islet (412, 413). Sloop Islet is a small rock - no gulls resting now - but it had a few earlier this spring. Then we went further up the inlet. One gull near Mc Creight Island (414), then three at mouth of Yakoun River, seen but they stayed out of range. Shot one at Ross Island (415). Then 3 at Cowley Rocks (416 - 418), where there were about 25 gulls hanging out. Cowley Rock even had a couple very spacious - thick brush. Could not see any gull chicks. Chris Manns said about 50 gulls nest in the inlet total. Rained pretty hard by the time we got back. In all six shots for 7 gulls. Spent night with Michael, interesting place. 2 gulls / 1 shot Total: 6 shots/7 gulls
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Field Notes Doug Bell Location: U.C. Berkeley campus, Berkeley, CA. (Alameda co.) Weather: clear, sunny, ~~hot. October 19, 1988 Bob Jones said that someone reported seeing a peregrine at the Campanile last night around 17:00. I went up to the campanile around 11:30, saw a dark falcon sitting west side. on the first major ledge beneath the "pyramid"; I was going to run home to get binos, but remembered Julia Smith had a spotting scope in her office in MV2. I ran back to MV2, told a few people about the bird, grabbed the scope and went back up to the campanile. John Trochet & Chris Schneider arrived at same time. The falcon had moved from the west ledge to the north ledge, in the shade. Set up scope next to main library. First view of the peregrine - dark bird! Definitely Peregrine. We quickly moved over to the north side, where, in the shade of the Campanile, I set up & got good view. Could tell right away that it was dark chocolate on back, thick malar stripe. We moved to NE, viewed the bird from the entrance to one of the chemistry buildings. The lower breast/flanks on the peregrine appeared quite dark from our angle. We de- cided to go up to the top of Evans Hall (Computer Building) for possibly a better look. Went to the west-facing balcony on the 10th floor. Got clear view of the peregrine. It was sitting on ledge beneath pyramid. Appeared very dark, cere bluish, legs almost yellowish "black talons. Its back was at first towards us. Thick malar stripe, creamy throat, but thin shaft markings even on upper breast. At first the peregrine looked like a ?, as it was sitting quite "dumpy", and it was hard to
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Field Notes Doug Bell Location: U.C. Berkeley Campus October 19, 1988 - cont "2 guide its true size. But it then it "tightened up", flattening out its feathers. A small head on thin body was clearly seen -> *definitely a ? (tiereel). After a couple minutes, the tiereel walked along the ledge and picked up some remain of what looked like a small bird. White throated Swifts were coursing about, and the tiereel observed these intently. John Trachet believes he saw the peregrine picking at some black & white feather clumps of a swift. I could only see black feathers. In any case, the tiereel did not have any sort of a full crop. We watched the tiereel pick at its food remains on the ledge for a few minutes, then it walked a few more steps towards the NE corner. No bands or markings or visible on any legs. A wild bird. We watched the bird until 12:08, then left. The bells in the tower did not bother it in the least. At 14:00 I went back up to the 10 floor balcony of Evans Hall. The tiereel was now sitting on the stucco railing that is confluent with the 4 spires. It is the last human - access area, but of course, its closed to entry. The tiereel was devouring a bird. After a while I figured out it was eating the meaty pelvis and drumstick portion of a pigeon. Tail of pigeon still attached lots of guy's white feathers. It plucked the white vent feather. The tiereel already had a substantial crop. While it was eating I Got views of the peregrine from all sides. Its a very dark - brown bird on the back. Only faint lt. brown wing covert fetchings. Quite evenly dark brown.
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Field Notes Doug Bell Location: UC Berkeley Campus October 19, 1988 -cont #3 It has a long, thick malar strip going all the way to the upper breast. The breast markings (longitudinal too thin brown markings) on the shaft begin right where the malar stripes leave off. The entire breast & flanks are so marked - looks very oddly. The markings on shaft are too thin for a Peck's. The only clear, unmarked spot areas on this bird are the throat and an area just behind the malar and [illegible] below the ears. Some shaft markings in the clear area on head behind the + back of head malar, where brown nape blends into the area behind the malar. The nape has two - few strands of light brown, gold in it, otherwise the back is uniformly dark. There is no light area or stripes above the eyes, as a E.p. trendices would have. All things considered, this is probably a E.p. anatum. The lower belly & flanks has some thicker shaft-markings, but it is surprisingly "meat" in appearance. This tunel ate non-stop from 14:00 - 15:00, passing for alert viewing of its surroundings. It tore chunks of pigeon pelvis, eating smaller pieces of bone, finally, towards end of its meal, it swallowed on pink pigeon foot whole. It picked over all last remaining scraps, as if it just couldn't bring itself to pass anything up in spite of being loaded with a full crop. After it finally finished, he walked along the railing to the NE corner, feasted its fill, stretched, then after a few minutes it launched itself out and circled the campuspile for a few times, powering,