GauthierThomas1993a

Référence

Gauthier, M. and Thomas, D.W. (1993) Nest site selection and cost of nest building by cliff swallows (Hirundo pyrrhonota). Canadian Journal of Zoology, 71(6):1120-1123.

Résumé

Cliff swallows build nests that may be detached (sharing no walls with neighbours at the time of initiation), semidetached (sharing one wall), or row nests (sharing two walls). Detached nests weight 13.9% more than row nests (652.8 vs. 573.1 g, respectively), require 97.2km more commuting (797.7 vs. 700.5km), and cost 0.91 kJ/individual more during each day of construction (daily investment 7.49 vs. 6.58 kJ/individual). When buildling nests, swallows commuted from 50-320m to mud sources and they increased their flight speeds as commuting distances increased. This limited the time required for nest construction while increasing the energy cost. Swallows showed a preference for sites where they could build attached nests. They appear to act to minimize their time investment. -from Authors

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@ARTICLE { GauthierThomas1993a,
    AUTHOR = { Gauthier, M. and Thomas, D.W. },
    TITLE = { Nest site selection and cost of nest building by cliff swallows (Hirundo pyrrhonota) },
    JOURNAL = { Canadian Journal of Zoology },
    YEAR = { 1993 },
    VOLUME = { 71 },
    PAGES = { 1120-1123 },
    NUMBER = { 6 },
    NOTE = { 00084301 (ISSN) Cited By (since 1996): 12 Export Date: 26 April 2007 Source: Scopus Language of Original Document: English },
    ABSTRACT = { Cliff swallows build nests that may be detached (sharing no walls with neighbours at the time of initiation), semidetached (sharing one wall), or row nests (sharing two walls). Detached nests weight 13.9% more than row nests (652.8 vs. 573.1 g, respectively), require 97.2km more commuting (797.7 vs. 700.5km), and cost 0.91 kJ/individual more during each day of construction (daily investment 7.49 vs. 6.58 kJ/individual). When buildling nests, swallows commuted from 50-320m to mud sources and they increased their flight speeds as commuting distances increased. This limited the time required for nest construction while increasing the energy cost. Swallows showed a preference for sites where they could build attached nests. They appear to act to minimize their time investment. -from Authors },
    KEYWORDS = { cliff swallow nest site selection swallow Hirundo pyrrhonota },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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