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| Male blue monkeys alarm call in response to danger experienced by others |
| 21
July
2010
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Source: Biology Letters, 2008, volume 4, nr 5 |
Male blue monkeys (Cercopithecus mitis stuhlmanni) of Budongo Forest, Uganda, produce two acoustically distinct alarm calls: hacks to crowned eagles and pyows to leopards and a range of other disturbances.
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| Lama bodyguard |
| 14
July
2010
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Source: scientias.nl |
 In an English nature reserve breeding lapwings and redshanks are guarded by lamas. The rangers hope that this year the breeding results of the endangered bird species will be better than last year. The lamas have to keep predators such as foxes at a distance.
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| Blanched lizzards |
| 14
July
2010
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Source text and photo: nrc.nl |
 Three different light-coloured species of lizard live in the sand dunes of New Mexico. In each species the light colour is due to another genetic adaptation. The light colour was created three times in evolution. With this finding researchers showed that an adaptation to the environment does not always have to occur via the same mechanism. This was published in Proceedings of the National Academy of Sciences.
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| Energy expenditure during level locomotion in large desert ungulates: the one-humped camel and the domestic donkey |
| 21
July
2010
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Source: Journal of Zoology, 2009, volume 277, issue 3 |
This study sought to quantify the rate of energy expenditure (VO2), the total cost of transport (COTtot) and the net cost of transport (COTnet) in camels and donkeys during level locomotion.
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| Book |
| 14
July
2010 |
 Turtles: The animal answer guide
The title says it: this book is a collection of questions and answers on turtles. The questions and answers give you a lot of information on turtles. How many species are there? Do they have teeth? Can you feed turtles in the wild?
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| Rat-bite fever |
| 14
July
2010
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Source photo: Booth, C.M., K.C. Katz en J. Brunton, 2002. Fever and a rat bite. Canadian Journal Infectious Diseases, Vol. 13 No. 4 |
 A Dutch rapport from 2009 notes that on average 2% of rat bites lead to an infection with Streptobacillus moniliformis. S. moniliformis is a common airway bacterium in rodents. Many rats (wild as well as tame rats) are infected with this bacterium.
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