Which mammals have the shortest and longest gestations
Learn how the length of gestation varies among animals such as elephants and opposums.
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Encyclopædia Britannica, Inc.Learn more about the issue of biodiversity loss with Enrique Salmón, a professor at California State University, East Bay.
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Encyclopædia Britannica, Inc.Learn about Komodo dragons (Varanus komodoensis), found on Komodo Island and a few other islands of Indonesia's Lesser Sunda Islands.
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Encyclopædia Britannica, Inc.We're basically living in one big lava lamp.Media Editors: Michele Metych , Lauren Sims
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Contunico © ZDF Studios GmbH, Mainz; Thumbnail Yale University Art Gallery (2005.131.165)Learn about Hannibal's campaign against Rome, beginning with his attack on Saguntum.
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Encyclopædia Britannica, Inc.When in doubt, check for a tail.
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Encyclopædia Britannica, Inc.Learn about human embryonic and fetal development from fertilization to birth.
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© University of Melbourne, Victoria, Australia (A Britannica Publishing Partner)Learn how the movements of the fetal tammar wallaby (Macropus eugenii) shortly before birth are revealed through ultrasound imaging.
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