Field notes, v1520
Page 107
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Orvida pasture all with hemorrhagic lungs and left right auricle and right ventricle full of dark blood. Watched mice in Orvida pasture at 8:30 p.m., hot, calm. One hopped and perched on fence and 2 in one of the oak trees. These peckered by a sparrow hawk. An astonishing amount of scurrying, growing, and rustling at this hour. Sometimes a half-dozen mice visible at one time. Watched one eat the last remaining sprig of green grass for several feet around. Saw 2 others climb up into thistle stalks and eat green leaves of thistle, but not many green thistles remain. They climbed up about 1 foot and remained several minutes. July 9 The life guard at the Wesley Hollow Pool, Orvida, said that they picked 31 mice out of the pool this morning and that in one summer they averaged 18 mice per day. July 15 Orvida. At 8-9 p.m. set rows A, C, E, G, I, and K of the grid in pasture. Lots of scurrying. A few thistles still green but not many. = 72 traps July 16 Van tref at 6:30 a.m. Row A 9 mice; B 9 mice 1 cricket, E 8 mice; G 10 mice 1 beetle; I 8 mice 1 R; K 9 mice 1 mole cricket. Total 53 mice, 2 beetles, 1 mouse, 2 crickets. Several spring empty, 16 of the mice were tagged over. Released all, tagged the beetles and mice but not the new creatures. One tagged