Results 241 to 250 of about 421,026 (281)

Dispersal and site fidelity in Blue Grouse

Canadian Journal of Zoology, 1983
Ten years of banding and censusing data from Blue Grouse (Dendragapus obscurus) were analyzed with respect to dispersal of juveniles and site fidelity of yearlings and adults. Juvenile females dispersed farther than juvenile males. In sibling pairs of the same sex, brothers settled closer to one another than sisters.
Ian G. Jamieson, Fred C. Zwickel
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Site Fidelity and Natal Philopatry in Dickcissels

Northeastern Naturalist, 2012
Spiza americana (Dickcissel) colonized a restored Conservation Reserve Program grassland in Maryland during the second year of restoration and has continued to return in subsequent years. In 2000-2010, we banded 125 adult and hatch-year birds; during this period the population ranged annually from one to 16 individuals. Twenty-one percent of adult male
Daniel M. Small, Maren E. Gimpel, Douglas E. Gill   +2 more
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Site Fidelity of Least Terns in California

The Condor, 1988
The degree to which Least Terns (Sterna antillarum) exhibit year-to-year fidelity to particular colony sites, as well as fidelity toward their natal colony sites, was examined using banding recoveries obtained in California. Individuals had high rates of return to colony sites where they had nested during the preceding year; of those few birds that ...
Atwood, Jonathan L., Massey, Barbara W.
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Site fidelity of intertidal fish to rockpools

Journal of Applied Ichthyology, 2017
Gobius paganellus, Lipophrys pholis and Coryphoblennius galerita are wide‐spread intertidal fish that spend their earlier life stages in rock pools, and yet very little is known about their site fidelity behaviour. For these species, fidelity to rockpools may result in increased fitness costs in a predicted scenario of warmer sea water, due to the low ...
Roma, J., Dias, Marta, Vinagre, Catarina, Silva, A. C. F.   +3 more
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Stopover-Site Fidelity at a Near-Coastal Banding Site in Georgia

Southeastern Naturalist, 2009
Abstract We documented one Seiurus noveboracensis (Northern Waterthrush) exhibiting stopover-site fidelity by returning to a near-coastal stopover site at the Butler Island Auxiliary Station (BIAS) on the Altamaha Waterfowl Management Area in southeast Georgia during banding operations from 1995–2000.
Scott G. Somershoe, Don G. Cohrs, Doris A. Cohrs   +2 more
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Site Consistency in Kingbird Breeding Performance: Implications for Site Fidelity

The Journal of Animal Ecology, 1985
(1) We used 8 years of data on breeding eastern kingbirds (Tyrannus tyrannus) to test whether breeding success is consistent between years at a site, thus enabling birds to use past reproductive success at a site as a predictor of future success there. (2) Four measures of breeding performance were examined: rate of nest loss to predation, laying date ...
P. J. Blancher, R. J. Robertson
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Site Fidelity of Shrubland and Forest Birds

The Condor, 2009
Abstract. In eastern North America, most early-successional woody habitats are ephemeral and succeed to forests within a few decades. Consequently, for shrubland birds patches of habitat are generally suitable for breeding for only a short time. This has led some authors to suggest that shrubland birds should show little fidelity to former breeding ...
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Fidelity to the breeding site in the alpine newt Triturus Alpestris

Behavioural Processes, 1989
In a context of several closed breeding sites (archipelago model), the great majority of alpine newts are sedentary, visiting the same site during two successive years. A homing experiment offered the animals a choice between two breeding sites, one from which they came and the other which was inhabited by another population.
P, Joly, C, Miaud
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Intermittent breeding as a cost of site fidelity

Behavioral Ecology and Sociobiology, 2006
Intermittent breeding (skipping a breeding season) can be the result of an adaptive decision by a focal individual, trading current reproductive success in favour of future reproductive success (residual reproductive value hypothesis). In contrast, an individual can also be forced by conspecifics to abandon the familiar breeding site and refrain from ...
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Breeding success, nest site fidelity and mate fidelity in the European Storm-petrel

Seabird Journal, 2020
The European Storm-petrel Hydrobates pelagicus is a monogamous and long-lived species with a low reproductive rate. Its nest sites are located in natural cavities under rocks or in burrows excavated by other species. Data obtained in the Molène archipelago, western France, have been analysed to study nest site fidelity and mate fidelity, and to study ...
Mariné Mariné, Cadiou Bernard
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