Transcribing the field notes of the Museum of Vertebrate Zoology

Collector: Grinnell - 1925 Location: Lassen Section (Mineral) Date: June 16, 1925 Page Number: 2468

Sierra Hermit Thrushes nest: rim 800 mm above ground; supported mainly by branches of a little incense cedar (nest against its stem on one side) but also by twigs from small lodgepole pine, whose stem is only 145 mm. from that of cedar - nest not exactly between, though; total height of nest was 145 mm., diameter 160 mm.; divide diameter 65, depth 50; height of cedar 4 ft., of pine about 7 ft.; bases of these little trees surrounded by veratrum nearly to height of nest rim; general site about 75 fee from edge of willow bog and well-shaded beneath group of lodgepole pines 75-100 feet high; also tall firs nearby, from tip of one or another of which male sings a good deal of the time (within a radius of 100 yards of nest). It was thus I found it. Female on nest sitting down low in it, bill elevated, tail up at 80° angle from horizontal. Contents four plain blue eggs, evidently near to hatching; not taken. This is the nest Dixon has been photographing; I found it first on the 13th. 1 p.m. - a Red-breasted Sapsucker just came past camp to the vicinity of the spring - the first I have seen. A pair of Siskins keep visiting the summit of firs 75 feet or so high, close to camp, and I suspect a nest there. Mrs. G just found the Mariposa Fox Sparrow's nest we knew to be close to camp. It was hardly 75 feet away, and the old birds are continually