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How Do Birds Get Oxygen Inside Eggs?

How Do Birds Get Oxygen Inside Eggs?

Unlike humans, bird embryos don't have an oxygen pipeline from their mothers. They develop sealed inside eggs. With a little animation magic, Skunk Bear...

FacebookNebraska Public Media已浏览 2922.4万次2018年4月21日

Bird Egg Hatching

How an Egg Hatches

How an Egg Hatches

2019年3月18日

How an Egg Hatches

How an Egg Hatches

FacebookNature | PBS

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Peek inside a birds egg: fertilization to hatch

Peek inside a birds egg: fertilization to hatch

FacebookRaptor Resource Project

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What Birds Lay Blue Eggs: 16 Species Delivering The Blues - Love The Birds

What Birds Lay Blue Eggs: 16 Species Delivering The Blues - Love The Birds

lovethebirds.com

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Why are birds laying their eggs earlier?

Why are birds laying their eggs earlier?

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How Are Birds' Eggs Fertilized? Everything You Should Know!

How Are Birds' Eggs Fertilized? Everything You Should Know!

thayerbirding.com

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Bird Egg Identification

Backyard Bird Nest and Egg ID with NestWatch

Backyard Bird Nest and Egg ID with NestWatch

FacebookCornell Lab of Ornithology

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How to check if an egg is fertile and development stages (egg candling)

How to check if an egg is fertile and development stages (egg candling)

FacebookParadise Aviary

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Identification of Bird Eggs by Color

Identification of Bird Eggs by Color

2010年9月18日