Individual Odor Recognition in Procellariiform Chicks.

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Bibliographic Details
Title: Individual Odor Recognition in Procellariiform Chicks.
Authors: O'Dwyer, Terence W.1,2 (AUTHOR), Nevitt, Gabrielle A.1 (AUTHOR)
Source: Annals of the New York Academy of Sciences. Jul2009, Vol. 1170, p442-446. 5p. 1 Diagram, 1 Graph.
Subjects: Odors, Procellariiformes, Chicks, Smell, Senses
Abstract: Since the groundbreaking work of Wenzel, Bang, and Grubb in the 1960s, enormous progress has been made toward elucidating the sense of smell in procellariiform seabirds. Although it is now well established that adult procellariiforms use olfaction in many behaviors, such as for foraging, nest relocation, and mate recognition, the olfactory abilities of petrel chicks are less well understood. Recent studies have shown that petrel chicks can recognize prey-related odors and odors associated with their nest before leaving their burrow for the first time. The recognition of burrow odors by petrel chicks is unlikely to be used for homing, and we have suggested that chicks may be learning personal odors associated with the nest's occupants for use later in life in the context of kin recognition or mate choice. The source of personal odors in petrels is unknown. However, in other vertebrates, the major histocompatibility complex influences body odors, which in turn influence mating preferences. It is not currently known whether this highly polymorphic gene region influences body odors and individual recognition in the procellariiforms, but this could be a fruitful area of future research. [ABSTRACT FROM AUTHOR]
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Abstract:Since the groundbreaking work of Wenzel, Bang, and Grubb in the 1960s, enormous progress has been made toward elucidating the sense of smell in procellariiform seabirds. Although it is now well established that adult procellariiforms use olfaction in many behaviors, such as for foraging, nest relocation, and mate recognition, the olfactory abilities of petrel chicks are less well understood. Recent studies have shown that petrel chicks can recognize prey-related odors and odors associated with their nest before leaving their burrow for the first time. The recognition of burrow odors by petrel chicks is unlikely to be used for homing, and we have suggested that chicks may be learning personal odors associated with the nest's occupants for use later in life in the context of kin recognition or mate choice. The source of personal odors in petrels is unknown. However, in other vertebrates, the major histocompatibility complex influences body odors, which in turn influence mating preferences. It is not currently known whether this highly polymorphic gene region influences body odors and individual recognition in the procellariiforms, but this could be a fruitful area of future research. [ABSTRACT FROM AUTHOR]
ISSN:00778923
DOI:10.1111/j.1749-6632.2009.03887.x