资讯

It’s pretty much impossible to miss an American crow (Corvus brachyrhynchos). These large, completely black birds in the corvid family tend to travel in flocks ranging from a handful of birds ...
Some birds show quite astonishing powers of recall. The Clarke’s nutcracker, a type of North American crow, may have the animal world's keenest memory. It collects up to 30,000 pine seeds over ...
like the American crow, have the neural flexibility to learn to use tools. A less invasive look at bird brains Due to their unique behaviors, complex social structures, and reported intelligence ...
The American crow is known to catch its own fish ... This is done by other birds, too, but some crows seem to have taken this a few steps further. Crows in Japan, for instance, place walnuts ...
the most common bird found was the American crow — 20,000 strong, accounting for about half of the birds seen. The Christmas Bird Count was held in some areas in the region Dec. 31, New Year’s ...
Wild bird populations are declining nationwide, and a trend map from Cornell University’s eBird site shows that drop applies to the American crow. “Many, many species are declining right now ...
Professional hula dancers will perform at 5:30 p.m. The Ohio Bird Sanctuary has an American crow ambassador named Edgar who has been trained to collect cash donations and fly them into his money box.