Birds exhibit a wide variety of fascinating nesting and offspring-rearing behaviors throughout their lifecycle. Against the odds, they protect and guide their young from hatching to leaving the nest ...

What do we really know about how oviraptors—bird-like but flightless dinosaurs—hatched their eggs? Did they use environmental ...

After a female tortoise is fertilized, she undergoes several changes. After mating, the female tortoise will carry eggs for weeks to months, depending on the species. As the female tortoise gets ...

Warkentin, Karen M. 2005. "How Do Embryos Assess Risk? Vibrational Cues in Predator-Induced Hatching of Red-Eyed Treefrogs." Animal Behaviour, (1) 59–71.