In 50 years, the Baltimore oriole population fell by a third; will we risk losing more?
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Bye, bye birds? Local Audubon societies, bird watchers report
Answered: 3. A population of 1,492 Baltimore…
Analysis: 'Horrific' bird losses touch every state
State of the Birds (US) 2019 by BirdLife International - Issuu
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Baltimore Oriole : Minnesota Breeding Bird Atlas
Before Two Degrees(Part III): State Birds Become Sitting Ducks to
North America Has Lost More Than 1 in 4 Birds in Last 50 Years
More Than Half Of U.S. Bird Species Threatened By Climate
