Experiments Nashville Products Species 
10,000 Birds
FEBRUARY 4, 2020
This visual marking of who’s in charge (and who’s not) helps reduce aggressive actions within the flock during winter, so the sparrows’ energy can be used more productively for finding food and watching out for predators.
10,000 Birds
MAY 6, 2014
A good state bird guide needs to offer details about a bird’s look, sound, behavior and habitat in language that is specific enough to differentiate the bird from similar-looking species, but nonscientific enough not to intimidate novice birders. Species are organized in American Ornithologists’ Union taxonomic order.
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