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Supplemental information for the lectures
March 2008 - Posts
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Duke University (11 Jul 2007). Songbirds Prefer The Latest Music: Golden Oldies Just Don't Cut It With The Chicks. ScienceDaily . "When it's time to mate, female white-crowned sparrows are looking for a male who sings the latest version of the love song, Read More...
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Two easily readable references: "Bird Squawk: What is the dawn chorus?" BBC Science & Nature homepage. [ link ] "Bird Songs," by Gareth Huw Davies. PBS: The Life of Birds by [BBC/]David Attenborough. [ link ] Read More...
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Update - thanks to Jefferey Tay and Kenneth into at CIT, the blog site is no up. I guess with everyone posting on the Student blog before the long Good Friday weekend, the class has managed to collectively kill the blog. It's MIA now and the deadline Read More...
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Yes, you will see cuteness personified in this highly vocal relative of the rabbit, the pika ( Ochotona sp.). And David is pretty charming too... Read More...
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A very amusing collection of cat vocalisations which sound like words! Domestic cats may vocalise more to owners than to each other due the reinforcement they receive from the former. As for cat chirping and chattering: www.youtube.com/v/phWw8sZEeQk&hl=en" Read More...
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"Subtle chemical signals, or pheromones, have long been known to draw pairs together within the same species. In mice, for example, experiments showed that pheromones acted as attractants between males and females who were genetically similar except for Read More...
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“Making sense of scents: reducing aggression and uncontrolled variation in laboratory mice.” By Professor Jane Hurst, Department of Veterinary Clinical Science, University of Liverpool. NC3Rs #2 Mouse scents and optimal husbandry Sept 2005. National Centre Read More...
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This is the 2007 viral video from YouTube which I entertained the early-comers to the lecture with today. "Battle at Kruger" is an epic that has received more than 26 million views! Originally filmed in September 2004 by videographer David Budzinski and Read More...
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A check of Google News reveals recent cases; see the results (will change with time): Read More...
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I know some of you missed this so here is the National Geographic Wild Chronicle video, from YouTube: Read More...
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" Monkey mayhem in Bukit Timah ," by Arul John. The New Paper, 12 Mar 2008. There had to be a good reason for the monkey's mayhem. The incident happened in a residential area south of Bukit Timah Nature Reserve. A trap on loan from AVA had been set and Read More...
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Photo by Marek Szczepanek Gunnarsson, T. G., J. A. Gill, T. Sigurbjörnsson & W. J. Sutherland, 2004. Pair bonds: Arrival synchrony in migratory birds. Nature, 431(646), doi:10.1038/431646a. Abstract - Synchronous arrival of pairs of migratory birds at Read More...
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"Mobbing of Spotted Wood Owl at Toa Payoh," contributed by Gloria Seow. Bird Ecology Study Group, 27 Jan 2008. Read More...
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I mentioned the work by several students during the early part of Lecture 7 when I talked about adaptations and speciation. You can find the links to their field blogs here: nusbiodiversity.wordpress.com/blogs. Read More...
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Fisheries biologist David O. Conover is investigating the claim that perhaps the "big fish" simply don't exist anymore. According to his work, many fish are evolving smaller body sizes. He is studying the impact of fishing practises on our lakes, streams, Read More...
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Paul Ehrlich, David Dobkin & Darryl Wheye, 1988. “Cooperative Breeding” in The Birder's Handbook: A Field Guide to the Natural History of North American Birds Including All Species That Regularly Breed North of Mexico. Simon and Schuster, New York. The Read More...
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"There are slightly more than a dozen Oriental Pied Hornbills ( Anthracoceros albirostris ) in Singapore’s offshore island of Pulau Ubin. There they breed regularly, nesting in cavities found high up along the trunks of old trees." See "Oriental Pied Read More...
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Emlen, S. T. & P. H. Wrege, 2004. Size dimorphism, intrasexual competition and sexual selection in Wattled Jacana ( Jacana jacana ) a sex-role reversed shorebird in Panama. The Auk, Apr 2004 . Photo source: Wikipedia Abstract - We studied sexual size Read More...
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Joubert, D., 2006. Hunting behaviour of lions ( Panthera leo ) on elephants ( Loxodonta africana ) in the Chobe National Park, Botswana. African Journal of Ecology, 44(2): 279–281 . Introduction - Megaherbivores like elephants and rhinos have been regarded Read More...
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Bednarz, J. C., 1988. Cooperative Hunting Harris' Hawks ( Parabuteo unicinctus ). Science, 239(4847): 1525 - 1527 . Abstract - Coordinated hunting by several individuals directed toward the capture and sharing of one Large prey animal has been documented Read More...
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