San Clemente bush wren
| San Clemente bush wren | ||||||||||||
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| Thryomanes bewickii leucophrys | ||||||||||||
| ( AW Anthony , 1895) |
The San Clemente-Busch Wren ( Thryomanes bewickii leucophrys ) is an extinct subspecies of the bush wren ( Thryomanes bewickii ). It was endemic to San Clemente Island in California's Channel Islands .
features
The San Clemente bush wren reached a length of 14 cm. The top was mostly brown with a gray wash. The underside was gray-white. The throat and the under tail-coverts were lighter. A white eye streak ran through and behind the eye. The wings and tail were banded light and dark black-brown. The tail-coverts were banded brown-black. The beak was black-brown, the base of the mandible was lighter. The iris was brown. The legs and feet and were dark brown. The San Clemente bush wren had a longer beak than the nominate form . The banding of the under tail coverts was also less pronounced.
die out
When Alfred Brazier Howell visited San Clemente Island in 1917, he found the breed still common. Even when Joseph Grinnell and Alden Holmes Miller visited , the San Clemente bush wren was still widespread. They noticed in 1944 that the wrens were brooding in the thick thorn bushes and in the cacti. The subspecies was last detected in 1968. A lone bush wren, captured in 1973 and photographed alive in 1974, did not belong to this breed, but was apparently an errant of another subspecies. The extinction of the San Clemente bush wren is most likely due to the destruction of the island's vegetation by sheep and goats.
literature
- Julian Pender Hume, Michael P. Walters: Extinct Birds , p. 268, A & C Black 2012, ISBN 140815725X
Individual evidence
- ↑ Grinnell, J. & Miller, A. H (1944): A distribution of the birds of California . Pacific Coast Avifauna 27: p. 1-608