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Ontogeny of fear: Influence of corticosterone.
(2005)
A strong attachment to the caregiver is critical for survival in altricial species, including humans. While some behavioral aspects of attachment have been characterized, its neurobiology has only recently received attention. ...
Endocrine mediation of alternative mating tactics in toads: A proximate perspective on ecological patterns and sexual selection.
(2005)
Male Great Plains toads (Bufo cognatus) and Woodhouse's toads (Bufo woodhousii) alternate between one of two mating tactics; they may either vocalize to attract mates or they may adopt a non-calling "satellite" tactic. ...
Adaptations for caching and robbery in two sympatric chipmunks.
(2005)
We captured least chipmunks (Tamias minimus) and eastern chipmunks (T. striatus) from co-existing populations and assessed their comparative success at heterospecific robbery in a naturalistic laboratory setting. The smaller ...