Workers select mates for queens: a possible mechanism of gene flow restriction between supercolonies of the invasive Argentine ant Eiriki SunamuraSugihiko HoshizakiSadahiro Tatsuki Original Paper 22 March 2011 Pages: 361 - 368
A Middle Jurassic heterodontosaurid dinosaur from Patagonia and the evolution of heterodontosaurids Diego PolOliver W. M. RauhutMarcos Becerra Original Paper 31 March 2011 Pages: 369 - 379
Beetle adhesive hairs differ in stiffness and stickiness: in vivo adhesion measurements on individual setae James M. R. BullockWalter Federle Original Paper 05 April 2011 Pages: 381 - 387
Associated skeletons of a new middle Triassic “Rauisuchia” from Brazil Marco Aurélio G. FrançaJorge FerigoloMax C. Langer Original Paper 29 March 2011 Pages: 389 - 395
The oldest African bat from the early Eocene of El Kohol (Algeria) Anthony RavelLaurent MarivauxMustapha Bensalah Original Paper 26 March 2011 Pages: 397 - 405
Giant rhinoceros Paraceratherium and other vertebrates from Oligocene and middle Miocene deposits of the Kağızman-Tuzluca Basin, Eastern Turkey Sevket SenPierre-Olivier AntoineKoray Sözeri Original Paper 05 April 2011 Pages: 407 - 423
Defensive responses by a social caterpillar are tailored to different predators and change with larval instar and group size Melanie McClureEmma Despland Original Paper 08 April 2011 Pages: 425 - 434
A new captorhinid reptile, Gansurhinus qingtoushanensis, gen. et sp. nov., from the Permian of China Robert R. ReiszJun LiuJohannes Müller Original Paper 12 April 2011 Pages: 435 - 441
Set a thief to catch a thief: brown-necked raven (Corvus ruficollis) cooperatively kleptoparasitize Egyptian vulture (Neophron percnopterus) Reuven YosefShai KabesaNufar Yosef Short Communication 16 March 2011 Pages: 443 - 446
Torpor and activity in a free-ranging tropical bat: implications for the distribution and conservation of mammals? Fritz GeiserClare StawskiChris R. Pavey Short Communication 17 March 2011 Pages: 447 - 452
Aboard a spider—a complex developmental strategy fossilized in amber Michael Ohl Short Communication 23 March 2011 Pages: 453 - 456