Birds of Nova Scotia - Black-Throated Green Warbler

Birds of Nova Scotia - Black-Throated Green Warbler Dendroica virens (Gmelin).

All About Birds

All About Birds by the Cornell Lab of Ornithology: Chestnut-sided Warbler
Dendroica pensylvanica.

ENN News Story - U.S. city's lights-out policy saves migrating birds

ENN News Story - U.S. city's lights-out policy saves migrating birds: "Among the known casualties is the Kirtland's warbler, one of America's rarest birds"

Phylloscopus sibilatrix

Wood Warbler (Phylloscopus sibilatrix)

The Austin Chronicle: News: The Showdown at Lick Creek

The Austin Chronicle: News: The Showdown at Lick Creek: "Parker was also required to hire an environmental consultant, to determine whether the site is a habitat for the federally protected golden-cheeked warbler."