TY  - BOOK
AU  - Bekoff,Marc
AU  - Byers, John A.
TI  - Animal play : : evolutionary, comparative, and ecological perspectives 
SN  - 0521586569
AV  - QL763.5  B45 1998
PY  - 1998///
CY  - Cambridge; New York : 
PB  - Cambridge University Press, 
KW  - Zoologia
KW  - Comportamiento animal
KW  - El juego y el comportamiento animal
KW  - Socialización en los animales
N1  - Incluye bibliografía e índice; The evolutionary origins of play revisited: lessons from turtles / Gordon M. Burghardt --
Play in common ravens (Corvus corax) / Bernard Heinrich & Rachel Smolker --
Object play by adult animals / Sarah L. Hall --
Kangaroos at play: play behaviour in the Macropodoidea / Duncan M. Watson --
Intentional communication and social play: how and why animals negotiate and agree to play / Marc Bekoff & Colin Allen --
Structure-function interface in the analysis of play fighting / Sergio M. Pellis & Vivien C. Pellis --
Sparring as play in young pronghorn males / Michelle N. Miller & John A. Byers --
Squirrel monkey play fighting: making the case for a cognitive training function for play / Maxeen Biben --
Self assessment in juvenile play / Katerina V. Thompson --
Biological effects of locomotor play: getting into shape, or something more specific? / John A. Byers --
Neurobiological substrates of play behavior: glimpses into the structure and function of mammalian playfulness / Stephen M. Siviy --
Play as an organizing principle: clinical evidence and personal observations / Stuart Brown
ER  -