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Reproductive Biology

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Bald Eagles Confirmed Nesting in Los Angeles County

County officials said the sighting reflects a local conservation rebound and made protecting active nests a priority.

National Zoo Confirms Elephant Nhi Linh’s Pregnancy, First Expected Calf in Nearly 25 Years

Philadelphia Zoo Unveils 16 Critically Endangered Galápagos Tortoise Hatchlings From Century-Old Pair

135-Year-Old Galapagos Tortoise Fathers First Hatchling at Zoo Miami