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Biology Letters|February 11, 2011
Colour-producing β-keratin nanofibres in blue penguin (Eudyptula minor) feathersLiliana D'Alba, Vinodkumar Saranathan, Julia A Clarke, et al.Biology Letters|February 11, 2011
A common heritable factor influences prosocial obligations across multiple domainsGary J Lewis, Timothy C BatesBiology Letters|February 11, 2011
Ant queens adjust egg fertilization to benefit from both sexual and asexual reproductionS Aron, I Timmermans, M PearcyBiology Letters|February 11, 2011
Nocturnal insects use optic flow for flight controlEmily Baird, Eva Kreiss, William Wcislo, et al.Biology Letters|January 29, 2011
The evolution of island gigantism and body size variation in tortoises and turtlesAlexander L Jaffe, Graham J Slater, Michael E AlfaroBiology Letters|January 29, 2011
A novel resource-service mutualism between bats and pitcher plantsT Ulmar Grafe, Caroline R Schöner, Gerald Kerth, et al.Biology Letters|January 29, 2011
Origin of invasive Florida frogs traced to CubaMatthew P Heinicke, Luis M Diaz, S Blair HedgesBiology Letters|January 21, 2011
Flexing the abdominals: do bigger muscles make better fighters?Sophie L Mowles, Peter A Cotton, Mark BriffaBiology Letters|December 3, 2010
The role of female dominance hierarchies in the mating behaviour of mosquitofishTherese Chen, Madeleine Beekman, Ashley J W WardBiology Letters|December 3, 2010
Individual benefits of nestling begging: experimental evidence for an immediate effect, but no evidence for a delayed effectC Kate M Lessells, Katharina Riebel, Tudor Ion DraganoiuPageof 443