000 00664nab a22001817u 4500
003 EC-PaCDF
008 050616t20042004||||||||||||||||||||eng||
020 _cNormal
041 _aeng
082 _2DDC21
_a598.43
_a598.43
100 _aFerree, E.; Wikelski, M.; Anderson, D.
245 _aHormonal correlates of siblicide in Nazca boobies
_bSupport for the Challenge Hypothesis.
_c
260 _c2004.
300 _a: 655-661.
546 _aEnglish
653 _aHormonal correlates of siblicide in Nazca boobies: support for the Challenge Hypothesis.
_aWater birds, Sulidae, Sula granti
_aAves acuáticas, Sulidae, Sula granti
773 _tHormones and Behaviour 46
999 _c7750
_d7750