But what land bird lays the biggest egg for its body size ... which in 1975 bred the first kiwi outside its native New Zealand. A female kiwi lays an egg that is 15 to 22 percent of her ...

Imagine a world where penguins, those adorable tuxedoed creatures we associate with icy Antarctica, once strode across sun-soaked tropical beaches and towered taller than most humans. It might sound ...

Trump plan leaves protected species a risk, environmentalists warn - At issue is a longstanding definition of ‘harm’ ...

Tashi Zangpo says, cradling the remains of a bird nest in his hands on a mountain slope nearly 14,000 feet above sea level. For weeks, Tashi, a Tibetan Buddhist monk and self-taught conservation ...

Whether you’re planting in your yard, on a windowsill, or in a public space, you can help create more bird-friendly habitats with native plants. Find the best plants for your area (and where to get ...

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