The differences in the three wood warbler sub-species involve slight variations in plumage – with centrally located birds being browner and eastern birds sporting grayish feathers. Breeding and ...
Hybridization is commonly observed between a number of warbler species and, while this does not make it easier to identify different species in the field, it opens up many opportunities to study the ...
Built in June on the fork of a horizontal conifer branch near the trunk at low to moderate height, the yellow-rumped Warbler’s nest contains 3 to 6 eggs. Polytypic (6 ssp.). Length 5.3".
This rather yellowish green warbler, named for its least conspicuous character, forages lower than many species. It lays 4 to 5 eggs (March–May in west, June in east) in its nest on or near the ...
WILMINGTON, N.C.— The Center for Biological Diversity and partners today filed a legal petition with the U.S. Fish and Wildlife Service to protect the coastal black-throated green warbler (also known ...