Field journal marked "Current," v4294

Wilbur W. Mayhew Division of Life Sciences University of California Riverside, California 8½" x 5½"

Journal Birds Reptiles

Journal

(1 Km = .62 mile) (mile = 1.6 km) Distances Between Points Collecting site, Yuma Dunes - Brawley: 23 miles Brawley - Westmoreland : 7 .. Westmoreland - Kane Springs: 15 .. Kane Springs - Highway 78-99 Intersect.: 2 .. Highway 78-99 - Squeaky Springs: 11 .. Squeaky Springs - Salton City: 2 .. Salton City - Truckhaven: 1 1/2 .. Truckhaven - Desert Shores: 9 .. Desert Shores - Oasis : 5 .. Oasis - Desert Dream Cafe & Date Shop: 8 .. Desert Dream Cafe - Coachella : 7 .. Coachella - Indio: 4 .. Indio - 1000 Palms: 11 .. 1000 Palms - "Granddaddy Dune": 5 .. "Granddaddy Dune" - Deserted gas station: 2 .. Collecting site, Yuma Dunes - Glamis: 5 .. Indio (diameter) : 3 .. Single All-Amer. Canal Bridge - dirt road north: 6 .. UCR - Palm Desert: 73 .. UCR - Algodones Dunes collecting site: 170 .. Double All-Amer. Canal Bridge (Coachella) " .. : 2 .. UCR - San Gorgonio wilderness area parking: 50 .. "Granddaddy Dune" - Palm Desert: 14 .. Palm Desert - end of road in Research Area: 6 .. Brawley - junction hiways 78 + 99: 25 .. Truckhaven - ".. ".. ".. ": 14 .. Truckhaven - Indio: 33 .. Indio - Riverside: 74 .. Highway 111 - Portola Ave - UCR Deep Canyon area: 4.4 .. 29 Palms - UCR: 90 ..

Distances Between Points 2. 29 Palms - Dale Dry Lake collecting station (IV): 22 miles UCR - Dale D. L. collecting station: 112 " Highway 99 - Lone Barchan, Tule Arroyo: 4 " UCR - 1 mi. W. of Phelan, San Bernardino Co.: 42 " UCR - Cajon Junction, San Bernardino Co.: 31 " Cajon Junction - 1 mi. W. of Phelan: 1.1 " UCR - "Granddaddy Dune": 53 " UCR - Mojave River, 2 mi. N. of Cedar Springs: 45 " UCR - 15 Mile Point (7 1/2 mi. W. of Lucerne Valley): 65 " UCR - 5 mi. W. of Desert Springs: 51 " Stoddard Well Road - S. Fork campgd., Barton Flats: 70 " S. Fork campgd., Barton Flats - San Gorgonio Wild. A.: 12 " Mecca - Highway 115 turnoff east of Brawley: 63 " 29 Palms - Belle Campground, Joshua Tree Nat'l. Mon.: 9 " 29 Palms - Highway 60-70: 44 " 29 Palms - Mecca : 62 " Highway 60-70 - Mecca: 19 " 29 Palms - campsite 5 mi. W. of Glamis: 143 " Campsite, Dale Dry Lake - campsite 5 mi. W. of Glamis: 165 " UCR - Pigeon Pass Road at Sunnymead: 48 " Highway 60 - road to top of Box Springs Mts.: 4.4 " Length of road to top of Box Springs Mts.: 3.4 " UCR - road to top of Box Springs Mts. (McGregor Ranch Turnoff): 92" Junct, McGregor Ranch Rd - Pigeon Pass Road - UCR (N. route): 8.2 " UCR - South Fork Campgd., Barton Flats: 44 " UCR - Wrightwood: 46 " Wrightwood - Big Pines: 4 " Wrightwood - Blue Ridge campground: 8 " Wrightwood - Mt. Top Junction: 5 " Mt. Top Junction - Cajon Junction: 9 " Cajon Junction - Wrightwood: 14 "

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Distances Between Points 3. Glamis - Dale Dry Lake (via Blythe): 163 miles Palm Desert - Nightingale: 13 " Palm Desert - Lake Hemet: 29 " Palm Desert - Mountain Center: 35 " Mountain Center - Idyllwild: 4 " Idyllwild - Pine Cove: 3 " Palm Desert - Pine Cove: 42 " Mountain Center - Pine Cove: 7 " Riverside - Pine Cove (via Banning): 56 " Lake Fulmor - Pine Cove: 7 " Banning - Pine Cove: 21 " Hemet - Pine Cove: 26 " Riverside - Pine Cove (via Hemet): 62 " Borrego Palm Canyon - Scissors Crossing: 23 " Borrego Palm Canyon - Riverside: 126 " East end of Box Canyon - Mecca: 12 " Glamis - Dune Crest Drive: 4 " Glamis - Coachella Canal: 7 " Glamis - Highline Canal: 14 " Rice - San Berdoo - Riverside G. line: 29 " Rice road junct. - San Berdoo - Riverside G. line: 7 " 29 Palms - Riverside - San Berdoo G. Line: 46 " Co. Line - Rice Road: 7 " Old Dale - Joshua Tree Nat'l. Mon. boundary: 13 " Old Dale - Paved road in Joshua Tree Nat'l. Mon: 26 " Mexicali - La Puerta: 23 " Mexicali - Rumorosa: 42 " Tecate - Rumorosa: 37 " La Puerta - Los Medanos: 34 " Mexicali - Los Medanos: 55 " Los Medanos - La Ventana: 15 "

Distances Between Points 3. Brawley - Intersection Hiways 99-78: 24 miles UCR - Ocotillo Wells: 130 .. Ocotillo Wells - San Diego Co. line: 3 " San Diego Co. line - San Felipe Creek: 2 " San Felipe Creek (on 78) - 99-78 intersection: 11 .. [Glamis Bridge - 698,20] [Lush areas E. of Dunes: Turn at bridges {692,25 690,14}]

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1 2 3 4 5 6 7 8 9 10 LEFT RIGHT 60 50 40 30 20 200 70 80 90 100 DORSAL VIEW

200 3 4 5 6 2 1 7 8 9 10 100 20 30 40 50 TORTOISE MARKING

Lizards feed drinking water in the tub Dipsoaaurus dorsalis Sceloporus Amphibius Una Sauridas Una Una Sceloporus magister Cretaphytus wizeni Urosaurus gracilisus Tort Ear Lettuce Dipsoaaurus dorsalis Amphibalurus pictus Una actata DORSAL VIEW

Lizards Seen Drinking Water in the Lab. Dipsosaurus dorsalis Sceloporus orcutti Amphibolurus pictus Uma notata Sauromalus obesus Uma inornata Uma scoparia Sceloporus magister Crotaphytus wislizeni Urosaurus graciosus Lizards That Eat Lettuce Dipsosaurus dorsalis Amphibolurus pictus Uma notata

Last Toe-clip No. Phryn. m'calli - +26129 Uma notata - +67[206]232 " scoparia - 141 " inornata - +43 (200+100+8+1; 40+10) 145 Phryn. m'calli; (new series) - 16

ENLARGED TESTIS SIZE (mm.3) CALLISAURUS D.- 40 COLEONYX V. - 25 DIRSOSAURUS D - 100 PHRYNOSOMA M'CALLI- 75 SCeloporus GRACIOSUS - 80 SCELOPORUS MAGISTER-100 SCELOPORUS OCCIDENTALIS- 100 UMA INORNATA - 60 UMA NOTATA - 50 UMA SCOPARIA - 60 UROSAURUS G. - 20 UTA STANSBURIANA - 30

ENLARGED EGGS (DIAM. IN MM.) CALLISAURUS D. - 3 COLEONYX V. - 4 DIPSAURUS D. - 5 PHRYNOSOMA M'CALLI - 4 SCHELOPORUS GRACIOSUS - 4 SCHELOPORUS MAGISTER - 4 SCHELOPORUS OCCIDENTALIS - 3 UMA INORNATA - 5 UMA NOTATA - 5 UMA SCOPARIA - 5 UROSAURUS G. - 3 UTA STANSBURIANA - 3

Lizard Temps. Measured in 1964 + 1965 Uta stans. - 76 715 13 Scel. occid - 4 16

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No. Lizards Dissected in 1964 + 1965 Uta stans. - X 8 # 17 Scel. occid. - 1 Uma notata - X 39 uros. grac. - X 18 # 26 # 40 phryn. platy. - 6 / 8 Callis. drac. - 5, 8, 9 Cnem. t'q. - 2, 6, 8 phryn. m'calli; - 3-5 10 Coleonyx - # 4, 16 Uma inornata - 1 Scel. mag. - X 6 Crot. wislizeni - X 3 Cnem. hyper. - 1 Gerr. mult. - ? Gerr. coer. - 1

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Tagged Animals in the Field Algodones Dunes Uma notata -: 1-200; 230-231; 130+10. (124-132 duplicated) Coleonyx -: 1-14; 26-35; 60. (1-3 & 35 duplicated) Urosaurus -: 1-2 100 Palms Uma inornata -: 1-42 (37-39 duplicated) Dipsosaurus -: 1-6 Dale Dry Lake Uma scoparia -: 1-222; 139+1; 156+1; 157+1; 158+1; 220+10. Dipsosaurus -: 1-14; 20-23; 30; 64-69. Palm Springs Dipsosaurus -: 1-11 UCR Scel. orcutti -: 1-11; 18

Last Reptile Number Used Code Name Number 11 Callisaurus [237] 239248 243244 246 255 21 Cnemid. hyper. [44] 45 20 " tigris [116] 118123+24/26 16 Coleonyx [351] 365 366 367 18 Crotaphytus collaris [37] 19 " wislizeni [101] 103-104/05 15 Dipsosaurus [704] 23 Gerrhonotus [23] 242526 13 Phrynosoma coronatum [16] 12 " m'calli: [214] 215-219 224 14 " platyrhinos [78] 8486 17 Sauromalus [64] 4 Scel. grac. [540] 3 " magister [204] 206-208 213 2 " occident. [640] 641 1 " orcutti [215] 6 Uma inornata [479] 480 5 " notata [721] 723 724 730 7 " scoparia [580] 10 Urosaurus [410] 411+28 436-436 444 450 9 utu mearnsi [3] 48 " ornata [10] 8 " stans. [393] 396 398 407 419 430 47 Xantusia hen. [37] 1/1/63 5,780 1/1/64 6,217

[illegible] [124] 37065 [24] 24019812 [14] 141990-15+32+14 [12] 1205-205 202 205 [8] 816 [7] 7 [40] 20000091 [2] 20099 [1] 12 [31] 11-12 [21] 21 [31] 31 [21] 21 [124] 124 [7] 7 [6] 6 [5] 5 [212] 212 [8] 8 [14] 14 [10] 10 [21] 21 [1] 1 [14] 14 [7] 7 [31] 31

Minimum S-V Lengths (mm) Considered as Adult Species ♂ ♀ max. juv. Callisaurus 70 65 45 P. m'calli 63 63 45 " platyrhinos 65 65 Coleonyx 55 55 Diposaurus 115 110 60 Uma spp. 80 70 50 Scel. grac. 55 50 " mag. 85 75 " occid. 65 60 .. orcutti 90 85 60 Urosaurus 45 45 Uta stans. 45 43 Sauromalus 170 (?) 120 Crot. wislizeni 90 90 Cnem. tigris 80 70

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Birds

Birds

Mayhew 1955 Amphispiza belli (Bell sparrow) I. May 24 Eugene Cardiff tells me that 2 sub- species are separated by a ridge in some areas. The coastal form (belli belli) occurs in Lone Pine Canyon (mostly chamise) and the intermediate form (belli canescens) occurs in Sheep Creek Canyon (Artemisia, Purskia, yucca brevifolia, pinyons). 1959 Feb. 5 5 mi. W. of Glamis, Imperial Co., Calif. Several of these birds were seen on the Yuma Dunes feeding with house finches, white-crowned sparrows, and Audubon's warblers. They ran across the sand rather than hopped as the other fringillids did. They seemed to be eating seeds on and under the annuals that are still present in dry form.

Mayhew 1960 Amphispiza bilineata (Black-throated Sparrow) 1. April 21 37 mi. E. of 29 Palms, San Bernardino Co., Calif. Three young birds that were barely able to fly were seen on a rocky area in the midst of creoste bush scrub. Apparently they were just out of the nest. The parents fluttered about near-by. None of the young birds flew more than 50 feet before returning to the ground and hiding in the vegetation.

Mayhew 1957 Bewick Wren 3, May 2 Univ. of Cal.f. campus, Riverside, Riverside Co., Calif. that it contained six eggs. They are almost round and rather pinkish in color. They aren't much bigger than those of a hummingbird. May 15 When I looked into nest XII O at 1PM today, an adult was sitting very tightly to the nest. It didn't flush for several seconds after the observation door was opened. There are 3 newly hatched young & 3 eggs. The young birds appeared to have been out of the egg for only a short period of time (a few hours). May 30 4 fully feathered young birds are in nest XII O now. The white stripe over the eye is quite obvious. I didn't see any sign of the adults. 1958 March 10 Univ. Cal.f. campus, Riverside, Riverside Co., Calif. Ed Cowan found a nest yesterday or the day before from which he took the eggs and set them in the incubator. One egg hatched yesterday (3/9/58) and two more have hatched by 10AM today. Therefore, this nest must have been completed sometime in late February.

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Mayhew 1963 Lanius ludovicianus (Loggerhead Shrike) 1. April 11 Palm Springs, Riverside Co., Calif. This morning I found a nest in a Lania diverscata that contained 5 young. The nest was composed of rather coarse twigs, and was about 3 feet above the ground. One of the adults hopped off the nest to a branch about 3 feet from the nest. The young birds seemed to be quite large, but their eyes still were closed & they didn't even possess a down covering. The skin of each was almost black. Feather pappillae could be seen over their backs.

Mayhew 1981 October 18 Raven 1 Pinyon Flat, Riverside Co., Calif. Since September 1979, I have been seeing large numbers of Ravens at Pinyon Flat in September, October and November of each year (see data sheets for Transects 13, 14, 15 and 16 in the Deep Canyon Transect). However, I was unable to account for this increase in numbers during these months. Now I know why they congregate here at this time. They are feeding on pinyon nuts. At 1555 today I saw a Raven fly overhead with a pinyon cone in its beak. I began to look closely at the Ravens resting in the pinyon pines. I saw a bird pick at a pinyon cone. A tract or some other object came from the cone and fell to the ground. This occurred several times before the bird removed the cone from the tree and flew away with it (the cone) in its beak. Many of these birds were in the tops of the pines, apparently gathering the nuts from the cones.

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Mayhew 1957 April 6 Swainson Hawk West side of Salton Sea, Imperial Co., Calif. Over 100 of these birds were counted in a loosely attached group circling along highway 78 approximately 5 miles west of highway 99. These birds were seen sitting on the ground and on low perennial plants, as well as slowly circling in the air. We were able to approach a few of them quite closely. They were seen at 9:30 A.M.

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Reptiles

Birds Reptiles

Mayhew 1960 Arizona elegans 1. Apr. 13 6 mi. N.W. of 1000 Palms, Riverside Co., Calif. an immature animal was caught on the road at 2135. The air temp (30°) was 23.2°C. The body temp. of the snake was difficult to get because the animal was so small. Eventually the thermometer was inserted into the cloaca & a temp. of 26°C. was recorded. The animal was then released. 1964 June 4 Glamis area, Imperial Co., Calif. an adult was captured 8 miles west of Glamis at 0705 this morning as it was crossing the paved road we were traveling.

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Mayhew 1963 Bufo punctatus 1. Dec. 26 UCL, Riverside Co., Cal.f. The young toads Lyn Rath brought back to the laboratory on October 28th from Purgatory Wash (hatched from eggs laid after the storm of September 17th) were weighed & measured today. Their measurements: # SV length (mm) Weight (gms) 1 27 2.1 2 25 1.5 3 21 0.7

[illegible] 1.2 54 1 3.1 26 5 5.9 18 6

Mayhew 1958 Cnemidophorus hyperythrus May 10 UCR campus, Riverside Co., Calif. This morning Brent Browning and Steve Barney captured an adult in the future botanical garden on the S.E. edge of the campus. July 16 For the past two weeks three of us have been diligently searching the area around the rocky outcrops on the southern edge of the campus looking for Sceloporus orcutti. Having this species also occurs in the same general location. In spite of our activities in catching S. orcutti, only 1 specimen of this species has been seen. It was not captured although an effort was made to do so. 1959 April 11 UCR campus, Riverside Co., Calif. Two adults were seen in thick brush on the south edge of the campus, but neither could be caught. 1962 Nov. 12 Ken Evans trapped a juvenile today on the S.E. portion of the campus. It measured 38 mm. in SV length.

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Mayhew Cnemidophorus tigris 8.

Mayhew 1960 Crotalus scutulatus 1. April 23 2 1/2 mi. N.W. of Phelan, San Bernardino Co., Calif. David Reuther caught an adult o7, 39 inches long, under an old piece of tin. It was completely hidden from view, but rattled when he approached. Air temp. was 55° F., wind ~15mph from the west. It was captured at 1315. The location was the ruins of an old ranch.

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Mayhew 1958 Lampropeltis getulus 1. July 23 UCR campus, Riverside Co., Calif. This morning at 0900 and adult about 30 inches long was seen lying perfectly still in some brush about 50 feet below our wooden blind at the south edge of the campus. It remained still when Frank Aubrey walked down to look at it. He stopped about 3 feet from the snake, which was banded black and bright yellow. As soon as Frank started to return to the blind, the snake disappeared in thick brush down the hill.

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Mastacophis flagellum 1. Mayhew 1959 Apr. 25 5 mi. W. of Glamis, Imperial Co., Calif. a young o? was captured at 1210 today while it was lying coiled in the sand at the mouth of a hole. This was in the sand dune area (Algodones Dunes) covered with creosote brush scrub. The sky was completely overcast at the time (had been all day); the air temp (30') was 26.5 C., (1cm) was 29.5 C., soil surface temp. was 36.8 C. May 9 3 mi. S.E. of Hesperia, San Bernardino Co., Calif. at 1430 an adult was captured beside a Joshua tree. The weather was quite mild for this time of the year in that area. 1960 Apr. 11 10 mi. E. of Dale Dry Lake, San Bernardino Co., Calif. The largest snake of this species I have ever seen was found DOR this afternoon. It was 5 feet long, and bigger in diameter than any I have seen. 15 mi. E. of Dale Dry Lake, San Bernardino Co., Calif. Another DOR, 45 inches long, was found on the road this afternoon. It was nearly as big in diameter as the one found earlier.

Mayhew Masticophis lateralis 2.

Mayhew Uta stansburiana 15.

RING BINDER MADE IN U.S.A. PATENTED No. 3651