资讯

The longer winter goes on, with its monochrome palette, leafless branches and profound silence, the more we appreciate the brilliantly red Northern cardinal. Cardinals visit our backyards and ...
The female, though more subtly colored, is also lovely to look at in winter. One snowy morning, I gazed at a female cardinal drinking some snow from the shrubs.
Female birds only have one working ovary, usually on their left side. Since this cardinal is female on the left, it's possible it has a fully functional female reproductive system.
The condition is known as bilateral gynandromorphism where animals have split male and female plumage and sexual organs. The northern cardinal was first spotted in 2014 in Texas.
In a backyard in Erie, Pa., an unusual cardinal has appeared, displaying both male and female traits. Scientists say it may be a so-called gynandromorph. By Karen Weintraub A bird hopping outside ...
Exclusive video reveals half-male, half-female cardinal Birdwatchers in Erie, Pennsylvania, found an incredibly uncommon bird—in their backyard. ANIMALS WEIRD & WILD ...