Here’s a fun way to combine both: Gather up a few friends and go birding sometime during the Memorial Day weekend (May 25-27). But — and here’s the challenging part — you’ll only be counting female ...

Source: fir0002, via Wikimedia Commons. Traditionally, birdsong has been viewed as a male trait, and this bias has dominated research on the behavior. “For a long time, scientists thought that female ...

Many people assume that male songbirds are the ones doing the crooning. But more than 660 species of songbirds are known in which the females sing as well. And there are still 3,500 species of ...

- And it's only now that they're properly being heard. Naomi and her colleagues have discovered that in 64% of all songbird species, females sing, and that in the distant past, the ancestors of all ...

When North American ornithologists hear a bird singing, they're likely to assume it's a male. But in many species, the females sing too -- researchers argue that a better understanding of these ...

For the first time, female dark-eyed juncos have been found to burst into song in the wild. Although many female tropical birds sing, singing females are rare among northern, temperate songbirds.

The sound of birds singing is synonymous with spring. As delightful as the tweets and chirps may be, these songs are actually tied to the birds’ survival — and a combination of day length, sunlight ...