1. Workers select mates for queens: a possible mechanism of gene flow restriction between supercolonies of the invasive Argentine ant

   • Eiriki Sunamura
   • Sugihiko Hoshizaki
   • Sadahiro Tatsuki

   Original Paper 22 March 2011 Pages: 361 - 368

   

2. A Middle Jurassic heterodontosaurid dinosaur from Patagonia and the evolution of heterodontosaurids

   • Diego Pol
   • Oliver W. M. Rauhut
   • Marcos Becerra

   Original Paper 31 March 2011 Pages: 369 - 379

   

3. Beetle adhesive hairs differ in stiffness and stickiness: in vivo adhesion measurements on individual setae

   • James M. R. Bullock
   • Walter Federle

   Original Paper 05 April 2011 Pages: 381 - 387

   

4. Associated skeletons of a new middle Triassic “Rauisuchia” from Brazil

   • Marco Aurélio G. França
   • Jorge Ferigolo
   • Max C. Langer

   Original Paper 29 March 2011 Pages: 389 - 395

   

5. The oldest African bat from the early Eocene of El Kohol (Algeria)

   • Anthony Ravel
   • Laurent Marivaux
   • Mustapha Bensalah

   Original Paper 26 March 2011 Pages: 397 - 405

   

6. Giant rhinoceros Paraceratherium and other vertebrates from Oligocene and middle Miocene deposits of the Kağızman-Tuzluca Basin, Eastern Turkey

   • Sevket Sen
   • Pierre-Olivier Antoine
   • Koray Sözeri

   Original Paper 05 April 2011 Pages: 407 - 423

   

7. Defensive responses by a social caterpillar are tailored to different predators and change with larval instar and group size

   • Melanie McClure
   • Emma Despland

   Original Paper 08 April 2011 Pages: 425 - 434

   

8. A new captorhinid reptile, Gansurhinus qingtoushanensis, gen. et sp. nov., from the Permian of China

   • Robert R. Reisz
   • Jun Liu
   • Johannes Müller

   Original Paper 12 April 2011 Pages: 435 - 441

   

9. Set a thief to catch a thief: brown-necked raven (Corvus ruficollis) cooperatively kleptoparasitize Egyptian vulture (Neophron percnopterus)

   • Reuven Yosef
   • Shai Kabesa
   • Nufar Yosef

   Short Communication 16 March 2011 Pages: 443 - 446

   

10. Torpor and activity in a free-ranging tropical bat: implications for the distribution and conservation of mammals?

    • Fritz Geiser
    • Clare Stawski
    • Chris R. Pavey

    Short Communication 17 March 2011 Pages: 447 - 452

    

11. Aboard a spider—a complex developmental strategy fossilized in amber

    • Michael Ohl

    Short Communication 23 March 2011 Pages: 453 - 456