To a human ear the songs of all male zebra finches sound more or less the same. But faced with a chorus of this simple song, female finches can pick the performer who sings most beautifully.

We all know the adage, 'You can't teach an old dog new tricks.' As we age, our ability to learn new skills, like mastering a foreign language or picking up a musical instrument, seems to fade.

And, given the way people react to Sofia Falcone’s return in “The Penguin,” she definitely did something bad — something that earned her the nickname of “The Hangman.” So, who and/or ...

How do you know that finches' beak depth is heritable? You can see from Figure 2 that there is a correlation between the parents' and offsprings' beak size. How did the finch population change ...

"Mr. Greedy" was mated with a female penguin known as "Mrs. Greedy," two years after they arrived at the zoo in 1992. "They had been paired up from the time they hit reproductive age in 1994 ...

Vallentin's team focused on zebra finches, songbirds known for their elaborate vocalizations. Like many animals, zebra finches have a critical period for song learning, within their first 90 days ...

Recently in Nature(399, 466– 470, 1999), Anthony Leonardo and Mark Konishi of Caltech reported that zebra finches retain a surprising ability to modify their songs in response to auditory ...

Pesto, like all king penguins, is not sexually dimorphic, meaning he does not display any traits that differ from female penguins. The only way to confirm gender is to take a blood sample.

The Penguin premieres on HBO and Max Thursday, September 19, before moving to Sundays at 9 p.m. ET. IGN will post weekly reviews of the series following each new episode. Oh yeah, and they’re ...

A baby penguin named Pesto ... Moo Deng, a two-month-old female pygmy hippopotamus housed at Khao Kheow Open Zoo in Thailand, is getting a lot of social media love, too. Moo Deng already has ...