1. Real-time weather analysis reveals the adaptability of direct sea-crossing by raptors

   • Noriyuki M. Yamaguchi
   • Yuzo Arisawa
   • Hiroyoshi Higuchi

   Video Article 09 October 2011 Pages: 1 - 10

   

2. Line color affects the collision risk and deterrence of crows

   • Takeshi Honda

   Article 25 May 2011 Pages: 11 - 14

   

3. Pairs during hibernation in a temperate frog: an unusual male mating strategy among anurans

   • Wei Chen
   • Lixia Zhang
   • Xin Lu

   Article 07 June 2011 Pages: 15 - 21

   

4. Plasticity of grooming behavior against entomopathogenic fungus Metarhizium anisopliae in the ant Lasius japonicus

   • Masaki Okuno
   • Kazuki Tsuji
   • Kenji Fujisaki

   Article 15 June 2011 Pages: 23 - 27

   

5. Post-fledging brood and care division in the roseate tern (Sterna dougallii)

   • Maggie J. Watson
   • Jeffrey A. Spendelow
   • Jeremy J. Hatch

   Article 12 June 2011 Pages: 29 - 34

   

6. The insensitivity of thermal preferences to various thermal gradient profiles in newts

   • Vojtěch Marek
   • Lumír Gvoždík

   Article 12 June 2011 Pages: 35 - 41

   

7. Promiscuous tendencies in the round-eared sengi: a male’s perspective

   • Melanie Schubert
   • Heiko G. Rödel
   • Dietrich von Holst

   Article 24 June 2011 Pages: 43 - 51

   

8. Females may not obtain indirect genetic benefits from extra-pair paternity in vinous-throated parrotbills, Paradoxornis webbianus

   • Jin-Won Lee

   Article 21 July 2011 Pages: 53 - 59

   

9. Influence of previous residency and body mass in the territorial contests of the butterfly Hermeuptychia fallax (Lepidoptera: Satyrinae)

   • Paulo Enrique Cardoso Peixoto
   • Woodruff W. Benson

   Article 28 August 2011 Pages: 61 - 68

   

10. Courtship tactics by male Ilyoplax pusilla (Brachyura, Dotillidae)

    • Asami Kasatani
    • Keiji Wada
    • John H. Christy

    Article 21 August 2011 Pages: 69 - 74

    

11. Do heterospecific size and demeanour influence visitation behaviour of birds at urban foraging patches?

    • Alyssa Borowske
    • Dai K. J. Morgan
    • Joseph R. Waas

    Article 20 August 2011 Pages: 75 - 82

    

12. Indirect measures of reproductive effort in a resource-defense polygynous ungulate: territorial defense by male guanacos

    • Andrea Marino

    Article 06 September 2011 Pages: 83 - 91

    

13. Effects of male size and female dispersion on male mate-locating success in Nephila clavipes

    • Leonor Ceballos Meraz
    • Yann Hénaut
    • Mark A. Elgar

    Article 08 September 2011 Pages: 93 - 100

    

14. The role of innate and environmental influences in shaping antipredator behavior of mainland and insular gartersnakes (Thamnophis sirtalis)

    • John S. Placyk Jr.

    Article 23 September 2011 Pages: 101 - 108

    

15. Behaviour of parents and children in two contrasting urban neighbourhoods: an observational study

    • Daniel Nettle

    Article 24 September 2011 Pages: 109 - 116

    

16. Intracolonial social distance, signaling modality and association choice in the greater sac-winged bat (Saccopteryx bilineata)

    • Andrew Goldklank Fulmer
    • Mirjam Knörnschild

    Article 09 October 2011 Pages: 117 - 124

    

17. Impact of starvation on the silk attractiveness in a weaving mite, Tetranychus urticae (Acari: Tetranychidae)

    • Guillaume Jean Le Goff
    • Thierry Hance
    • Anne-Catherine Mailleux

    Article 08 November 2011 Pages: 125 - 132

    

18. What exactly is ‘local song’ in a population of ortolan buntings with a common dialect?

    • Tomasz S. Osiejuk
    • Agnieszka Bielecka
    • Michał Skierczyński

    Article Open access 20 October 2011 Pages: 133 - 142

    

19. Female mate choice based on territory quality in barn swallows

    • Masaru Hasegawa
    • Emi Arai
    • Masahiko Nakamura

    Article 21 October 2011 Pages: 143 - 150

    

20. The effect of claw size and wave rate on female choice in a fiddler crab

    • Sophia Callander
    • Michael D. Jennions
    • Patricia R. Y. Backwell

    Article 03 November 2011 Pages: 151 - 155

21. Tits recognize the potential dangers of predators and harmless birds in feeder experiments

    • Kateřina Tvardíková
    • Roman Fuchs

    Article 06 November 2011 Pages: 157 - 165

    

22. Compensation for predator-induced reduction in nestling feeding rate in the Great Spotted Woodpecker

    • Martin Paclík
    • Jan Misík
    • Karel Weidinger

    Article 20 November 2011 Pages: 167 - 172

    

23. Ultrasonic courtship vocalizations in wild house mice: spectrographic analyses

    • Frauke Hoffmann
    • Kerstin Musolf
    • Dustin J. Penn

    Article 16 November 2011 Pages: 173 - 180

    

24. Female preference in the context of male–male interactions in Maylandia zebra of Lake Malawi

    • David Mellor
    • Lisa Wilt
    • Rebecca Jordan

    Short Communication 30 June 2011 Pages: 181 - 186

    

25. The implications of turning behaviour performed by Amazonian manatees after release into the wild

    • Mumi Kikuchi
    • Vera M. F. da Silva
    • Nobuyuki Miyazaki

    Short Communication 09 July 2011 Pages: 187 - 190

    

26. Acoustic cues to caller identity in lemurs: a case study

    • Marco Gamba
    • Camilla Colombo
    • Cristina Giacoma

    Short Communication 23 July 2011 Pages: 191 - 196

    

27. Influence of prey encounter and prey identity on area-restricted searching in the lizard Pedioplanis namaquensis

    • Douglas A. Eifler
    • Karabo Baipidi
    • Luwi Nguluka

    Short Communication 02 August 2011 Pages: 197 - 200

28. A trade-off between number and size within the first workers of the ant Camponotus japonicus

    • Eisuke Hasegawa
    • Syuichiro Imai

    Short Communication 04 September 2011 Pages: 201 - 204

    

29. Perinatal behavior of a wild Grevy’s zebra (Equus grevyi) mare and foal

    • Blair A. Roberts

    Short Communication 22 October 2011 Pages: 205 - 209