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Biology Letters|December 7, 2007
Early Palaeozoic dentine and patterned scales in the embryonic catshark tailZerina Johanson, Mikiko Tanaka, Natalie Chaplin, et al.Biology Letters|December 7, 2007
Polyphyletic origin of toxic Pitohui birds suggests widespread occurrence of toxicity in corvoid birdsKnud A Jønsson, Rauri C K Bowie, Janette A Norman, et al.Biology Letters|December 14, 2007
Number and arrangement of extraocular muscles in primitive gnathostomes: evidence from extinct placoderm fishesGavin C YoungBiology Letters|December 14, 2007
Rapid facial mimicry in orangutan playMarina Davila Ross, Susanne Menzler, Elke ZimmermannBiology Letters|December 14, 2007
Landscape genetics and the spatial distribution of chronic wasting diseaseJulie A Blanchong, Michael D Samuel, Kim T Scribner, et al.Biology Letters|December 14, 2007
Integrated diversification of locomotion and feeding in labrid fishesDavid C Collar, Peter C Wainwright, Michael E AlfaroBiology Letters|November 29, 2007
Temperature-related birth sex ratio bias in historical Sami: warm years bring more sonsSamuli Helle, Samuli Helama, Jukka JokelaBiology Letters|May 17, 2008
Sleeping outside the box: electroencephalographic measures of sleep in sloths inhabiting a rainforestNiels C Rattenborg, Bryson Voirin, Alexei L Vyssotski, et al.Biology Letters|March 28, 2008
A fruit in the hand or two in the bush? Divergent risk preferences in chimpanzees and bonobosSarah R Heilbronner, Alexandra G Rosati, Jeffrey R Stevens, et al.Pageof 443