The Golden-cheeked Warbler, an endangered species, is the only bird that nests entirely in the state of Texas.
Sandhill Cranes in a territorial dispute.
The Northern Parula, a small, fluttering warbler, can be difficult to capture in a photograph.
The Mourning Warbler, while a common warbler, is seldom seen, usually hiding in its habitat.
Ospreys are great anglers, catching fish one in every four dives, according to researchers.
The Blackburnian Warbler, a tiny, strong flier, usually spends its time in forest canopy.
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