A pine warbler, one of the first migratory birds to return to Maine this spring, perches on a branch. Early arrivals like this can be tricky to identify without paying attention to key field marks and ...
South Carolina officially has a new state migratory bird. Its local habitats face threats from climate change and drought.
We do this every day with domesticated species such as dogs or horses: They help us find something or carry us somewhere, and, in return, we provide them with food and shelter. In biological terms, ...
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