{"fact":"Crows raised in isolation play alone significantly more than crows raised socially.","context":"Significant differences were found between isolate- and socially-reared birds, with isolate-reared birds having higher rates of solo play (P = 0.0041) and stereotypies (P = 0.0090).","source":"Nancy C. Harvey; Susan M. Farabaugh; Bill B. Druker, Effects of early rearing experience on adult behavior and nesting in captive Hawaiian crows (<i>Corvus hawaiiensis</i>), 10.1002/zoo.10024","index":27}