Evolution of reproductive seasonality in bears

• Published in: Mammal review Vol. 37; no. 1; pp. 21 - 53
• Main Authors: SPADY, THOMAS J, LINDBURG, DONALD G, DURRANT, BARBARA S
• Format: Journal Article
• Language: English
• Published: Oxford, UK Oxford, UK : Blackwell Publishing Ltd 2007; Blackwell Publishing Ltd
• Subjects: Animal reproduction; bear; Bears; climate change; climatic change; embryonic diapause; Environmental conditions; Evolution; Evolutionary biology; panda; phylogeny; pseudopregnancy; Seasons; Ursidae; ursids; Zoology

1. Of the eight species of Ursidae, six are currently at risk of extinction and the remainder face significant risks to their future survival. One of the greatest threats to bears is human-imposed environmental alteration (e.g. global warming, chemical pollutants, deforestation). An examination of t...