Dein Suchergebnis zum Thema: have

#PandaStory: Parties and Pseudopregnancies | Smithsonian’s National Zoo and Conservation Biology Institute

https://nationalzoo.si.edu/animals/news/pandastory-parties-and-pseudopregnancies

Why is giant panda Mei Xiang sleeping for longer periods, eating less and denning? After going into estrus this spring, months later, she’s experiencing a pseudopregnancy—even though she did not breed! Learn more from curator Michael Brown-Palsgrove.
Those of you who have followed our #PandaStory updates know that Mei Xiang and her

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Meet the Snakehead: A Fish That Can “Walk” On Land | Smithsonian’s National Zoo and Conservation Biology Institute

https://nationalzoo.si.edu/animals/news/meet-snakehead-fish-can-walk-land

With an aggressive attitude, an eager appetite for fish and the ability to “walk” on land, the northern snakehead fish is a powerful predator. Recently, Asia Trail keepers welcomed four snakeheads—one male and three females—into their care. 
Snakehead fish have evolved to “walk” on land!

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How Do You Weigh a Hummingbird? | Smithsonian’s National Zoo and Conservation Biology Institute

https://nationalzoo.si.edu/animals/news/how-do-you-weigh-hummingbird

See Spot. He’s a little ruby-throated hummingbird with a big personality. Spot is also super smart and has mastered scale training. Learn how Bird House keepers came to weigh him and get tips on attracting hummingbirds to your backyard!
From there, we record the birds’ measurements and keep track of whether they have

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