Wild Things: Life as We Know It- page 3 | Science | Smithsonian
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(Tim Wimborne / Reuters / Corbis)

Wild Things: Life as We Know It

Vanishing dinosaurs, breeding birds, redback spiders and more

Travel Advisory

yellow-billed cuckoo
(Cheryl Carlin)
At least five species of birds that breed in North America in spring or summer breed again, in Mexico, en route to their southern wintering grounds, say University of Washington-led researchers. Such "migratory double breeding" had not been documented in the Americas before. The loss of Mexican nesting grounds may explain some birds' population declines.

Learn more about the Yellow-billed cuckoo at the Encyclopedia of Life.

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