
Dana Kobilinsky
Bears that rub trees reproduce more
In bear country, it’s not uncommon to notice the evidence of a bear rubbing against a tree, even if you don’t catch it in the act. Claw marks may be etched in the bark. Hair …
In bear country, it’s not uncommon to notice the evidence of a bear rubbing against a tree, even if you don’t catch it in the act. Claw marks may be etched in the bark. Hair …
Researchers captured footage of a male eastern bluebird (Sialia sialis) feeding young tree swallows (Tachycineta bicolor) while studying the effects of gas compressor noise on songbird reproduction behavior in nest boxes. This isn’t the first …
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