Something is causing tree swallows across North America to shrink, and scientists tracking nearly 50 years of data just pinpointed the culprit. The answer points to a quiet crisis unfolding in ...
A groundbreaking study reveals a stark 60% decline in insects at Canada's Long Point Bird Observatory since the 1970s, directly impacting tree swallows. These birds are now smaller and reproduce less, ...
For the first time, scientists documented direct evidence of a bat preying on a bird at high altitude. By Douglas Main During spring and fall migrations, billions of birds take to the night skies. The ...
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