. [Collected reprints, 1911-1931. Ornithology; Mammals. 1922] Swarth: Birds and Mammals of the StiUne Region 305 On Sergief Island, hermit thrushes were fairly numerous up to the first week in September. One was taken on August 23, still in the Juvenal plumage (no. 40316), and one on August 27, which had finished the molt into the first winter plumage (no. 40317).. rig. GG Fig. HH Fig. GG. The olive-baeked thrush {Eylocichla ustulata swainsoni) is a bird of the dry woods of poplar, alder, and willow, as contrasted with the hermit thrush, a denizen of coniferous woods. The nest of olive-backed
. [Collected reprints, 1911-1931. Ornithology; Mammals. 1922] Swarth: Birds and Mammals of the StiUne Region 305 On Sergief Island, hermit thrushes were fairly numerous up to the first week in September. One was taken on August 23, still in the Juvenal plumage (no. 40316), and one on August 27, which had finished the molt into the first winter plumage (no. 40317).. rig. GG Fig. HH Fig. GG. The olive-baeked thrush {Eylocichla ustulata swainsoni) is a bird of the dry woods of poplar, alder, and willow, as contrasted with the hermit thrush, a denizen of coniferous woods. The nest of olive-backed thrush here shown was in a thicket of alder and willow mixed, and in all respects is typical of the species as it occurs in this region. At the time this nest was photo- graphed (on June 19, and near Telegraph Creek) it contained four eggs. Fig. HH. Alaska hermit thrush {Hylociohla gwttata guttata) standing over nest. The nest was built upon the interlaced branches of two small spruce trees, about three feet from the ground, and at the bottom of a cool, shady canon. Photograph taken near Telegraph Creek, June 4, 1919. Planesticus migratorius migratorius (Linnaeus). Eastern Robin At the time of our arrival at Telegraph Creek, robins were present in full force. They were abundant along the river and scarce at higher altitudes, but some were seen clear to the Summit. On May 30 one bird was seen carrying building material, but this must have been rather late, for young were out of the nest on June 9. Robins were fairly numerous at Glenora and at Doch-da-on Creek. By the time we reached the latter place, the middle of July, the spotted young com- prised a large proportion of the birds Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Swarth, Harry Schelwald, 1878-. s. l. , s. n.
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Keywords: ., bookcentury1900, bookpublisherslsn, booksubje, booksubjectmammals
