If you've ever been around chickens, you know they're usually relatively quiet. You might hear some squawking and bickering within the brood, but it's not constant noise like some animals make. But ...

Every year when I pull out my Easter decorations, I wonder if the little yellow chick that one of my sisters gave to us perhaps 20 years ago will still chirp if I hold it in my hand. Once again this ...

Female lineages of European cuckoos lay eggs with colorful shells and intricate patterns specialized to deceive more than 100 avian hosts into fostering their chicks. Parasitic cuckoo eggshells show ...