1. Free-ranging Macaque mothers exaggerate tool-using behavior when observed by offspring / Nobuo Masataka ... [et al.] -- 2. Mouse cognition-related behavior in the open-field : emergence of places of attraction / Anna Dvorkin, Yoav Benjamini and Ilan Golani -- 3. Altered behavior and digestive outcomes in adult male rats primed with minimal colon pain as neonates / Jing Wang, Chunping Gu and Elie D. Al-Chaer -- 4. Social transmission of avoidance behavior under situational change in learned and unlearned rats / Akira Masuda and Shuji Aou -- 5. Molecular variation at a candidate gene implicated in the regulation of fire ant social behavior / Dietrich Gotzek, D. DeWayne Shoemaker and Kenneth G. Ross -- 6. Ultrasonic communication in rats : can playback of 50-kHz calls induce approach behavior? / Markus Wh̲r and Rainer K.W. Schwarting -- 7. Supplementary feeding affects the breeding behavior of male European treefrogs (Hyla arborea) / Ivonne Meuche and T. Ulmar Grafe -- 8. Mirror-induced behavior in the magpie (Pica pica) : evidence of self-recognition / Helmut Prior, Ariane Schwarz and Onur G¿nt¿rk¿n -- 9. Precocious locomotor behavior begins in the egg : development of leg muscle patterns for stepping in the chick / Young U. Ryu and Nina S. Bradley -- 10. Perinatal androgens and adult behavior vary with nestling social system in siblicidal boobies / Martina S. M¿ller ... [et al.] -- 11. Transcriptomic profiling of central nervous system regions in three species of honey bee during dance communication behavior / Moushumi Sen Sarma ... [et al.] -- 12. Plant volatiles, rather than light, determine the nocturnal behavior of a caterpillar / Kaori Shiojiri, Rika Ozawa and Junji Takabayashi -- 13. Risk and ethical concerns of hunting male elephant : behavioral and physiological assays of the remaining elephants / Tarryne Burke ... [et al.] -- 14. Home range utilisation and territorial behavior of lions (Panthera leo) on Karongwe game reserve, South Africa / Monika B. Lehmann ... [et al.] -- 15. Introduced mammalian predators induce behavioral changes in parental care in an endemic New Zealand bird / Melanie Massaro ... [et al.].