Tim Caro
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Tim Caro

Tim Caro (c. 1952 - ) is an evolutionary ecologist known for his work on conservation biology, animal behaviour, anti-predator defences in animals, and especially the function of zebra stripes. He is the author of several textbooks on evolutionary ecology.

Life

Caro gained his bachelor's degree in zoology at Cambridge University in 1973, and his doctorate in psychology at the University of St Andrews in 1979. He is a professor of wildlife biology at University of California Davis, in the departments of population biology and wildlife and fish conservation biology. He has studied the colour polymorphism of coconut crabs, the conservation of fragments of forest, and the function of coloration in mammals, especially zebra stripes.[1][2][3]

Caro's 2005 book Antipredator defenses in birds and mammals has been cited in scientific papers over 1150 times. His paper "Interspecific killing among mammalian carnivores" has been cited over 690 times, while his book Cheetahs of the Serengeti Plains: group living in an asocial species has been cited over 660 times. He has published over 100 peer-reviewed papers, books, and chapters.[4]

How the zebra got its stripes

Caro investigated some 18 hypotheses to explain why zebras are striped, excluding all but one of them through experimental studies.

Caro's team found evidence that zebra stripes help to reduce biting by tabanid flies, but no reliable support for traditionally held hypotheses about the function of zebra stripes including camouflage, predator avoidance, heat management, or social interaction.[5] He evaluated 18 different proposed explanations for the stripes, devising and carrying out quantitative tests to compare them. The evolutionary ecologist Tim Birkhead, writing in the Times Higher Education, praised Caro's 2006 book Zebra Stripes as "an exemplary study", and called it "one long argument", a phrase used by Darwin of his On the Origin of Species, summarizing it as "in essence a 300-page scientific paper".[6] Karin Brulliard, writing in The Washington Post under the headline "To figure out why the zebra got its stripes, this researcher dressed up like one", portrays Caro in a zebra costume "not used in his fieldwork", but also in a tailor-made striped suit in the Tanzanian bush, as well as in pelts of zebra and the unstriped wildebeest. The newspaper reports Caro as "absolutely convinced" that he has found the right explanation.[7] Matthew Cobb, writing in New Scientist, recalls Rudyard Kipling's children's book, Just So Stories, in which the zebra got his stripes by standing half-in, half-out of the shadows "with the slippery-slidy shadows of the trees" on his body. Cobb calls Zebra Stripes a marvellous book and predicts it will encourage a generation to "tackle evolutionary biology's remaining enigmas, with or without the help of Kipling."[8] Michael Lemonick, writing in The New Yorker echoed the just-so-story theme.[9]

Works

  • Caro, Tim (1994). Cheetahs of the Serengeti Plains: Group Living in an Asocial Species. University of Chicago Press. 
  • Caro, Tim (1998). Behavioral Ecology and Conservation Biology. Oxford University Press. 
  • Caro, Tim (2005). Antipredator Defenses in Birds and Mammals. University of Chicago Press. 
  • Caro, Tim (2006). Zebra Stripes. University of Chicago Press. 
  • Caro, Tim (2010). Conservation by Proxy: Indicator, Umbrella, Keystone, Flagship, and Other Surrogate Species. Island Press. 

References

  1. ^ "Tim Caro". University of California Davis. Retrieved 2018. 
  2. ^ "Tim Caro Profile". University of California Davis. Retrieved 2018. 
  3. ^ "Dr. Tim Caro: Unraveling the Mysteries of Animal Coloration and Why Zebras Have Stripes". People Behind the Science Podcast. 7 June 2014. Retrieved 2018. 
  4. ^ "T Caro". Google Scholar. Retrieved 2018. 
  5. ^ Caro, Tim; Izzo, Amanda; Reiner, Robert C.; Walker, Hannah; Stankowich, Theodore (2014). "The function of zebra stripes". Nature Communications. 5. doi:10.1038/ncomms4535. 
  6. ^ Birkhead, Tim (8 December 2016). "Zebra Stripes, by Tim Caro". Times Higher Education. 
  7. ^ Brulliard, Karin (4 January 2017). "To figure out why the zebra got its stripes, this researcher dressed up like one". The Washington Post. 
  8. ^ Cobb, Matthew. "How did the zebra get its stripes?". New Scientist. 
  9. ^ Lemonick, Michael (11 April 2014). "How Zebras Got Their Stripes". The New Yorker. 

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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