Science ❯ Biology ❯ Zoology ❯ Animal Behavior

Reproductive Biology

Ghost, Aquarium of the Pacific’s Giant Pacific Octopus, Dies

Her death followed the species’ terminal senescence triggered by egg-laying.

Opel-Zoo’s Newborn Giraffe Mumbi Is Being Bottle-Reared After Mother Wouldn’t Nurse

National Zoo Welcomes First Asian Elephant Calf in Nearly 25 Years

New Zealand Launches Public Hunt for Rare Left-Coiled Mate for ‘Ned’ the Garden Snail

First Wild Jaguar Cub in Chaco Since 1990 Photographed in El Impenetrable

Bodensee Stork Bodo Displaces Rival and Fathers Two Fragile Chicks in Mügeln

Brookfield Zoo Chicago Welcomes First Dolphin Calf Since 2014

Frankfurt Zoo Welcomes Bonobo Infant as Conservation Efforts Expand

Rare New Zealand Snail Filmed Laying Egg Through Neck for First Time

Guam Kingfishers Lay First Wild Eggs in Nearly 40 Years on Palmyra Atoll

Philadelphia Zoo Celebrates Historic Hatching of Critically Endangered Galapagos Tortoises

Big Bear Bald Eagles Jackie and Shadow Celebrate Two New Hatchlings

Karlsruhe Zoo Shares First Photos of Rare Polar Bear Cub