Search Results - "van Oort, Harry"
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Synergistic effects of food and predators on annual reproductive success in song sparrows
Published in Proceedings of the Royal Society. B, Biological sciences (22-04-2003)“…). Our results show that these two factors do not operate in an additive way, but instead have a synergistic effect on reproduction. Relative to controls,…”
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Postfledging survival and local recruitment of a riparian songbird in habitat influenced by reservoir operations
Published in Avian conservation and ecology (01-06-2018)“…The impact of anthropogenic activities on breeding bird populations are typically assessed using nest success despite the importance of the postfledging period…”
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3
Female food solicitation calling, hunger levels and habitat differences in the black-capped chickadee
Published in Animal behaviour (01-10-2007)“…During the egg-laying period, female passerines have high resource demands and are often fed by their mates. In black-capped chickadees, Poecile atricapillus,…”
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4
Experimental moose reduction lowers wolf density and stops decline of endangered caribou
Published in PeerJ (San Francisco, CA) (29-08-2017)“…The expansion of moose into southern British Columbia caused the decline and extirpation of woodland caribou due to their shared predators, a process commonly…”
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Habitat Quality, Social Dominance and Dawn Chorus Song Output in Black-Capped Chickadees
Published in Ethology (01-08-2006)“…Individuals that settle in poor habitats may reduce resource investments in various life history traits; for example, resources may be withheld from costly…”
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HABITAT, DOMINANCE, AND THE PHENOTYPIC QUALITY OF MALE BLACK-CAPPED CHICKADEES
Published in The Condor (Los Angeles, Calif.) (01-02-2007)“…The provisioning of offspring is limited by resource abundance and is therefore likely to vary with habitat quality and the ability of parents to obtain food…”
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Trophic consequences of terrestrial eutrophication for a threatened ungulate
Published in Proceedings of the Royal Society. B, Biological sciences (27-01-2021)“…Changes in primary productivity have the potential to substantially alter food webs, with positive outcomes for some species and negative outcomes for others…”
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Communication breakdown? Habitat influences on black-capped chickadee dawn choruses
Published in Acta ethologica (01-12-2005)“…The dawn chorus of the black-capped chickadee (Poecile atricapillus) is a communication network that functions in the dissemination of essential information…”
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Synchronizing feather-based measures of corticosterone and carotenoid-dependent signals: what relationships do we expect?
Published in Oecologia (01-03-2014)“…Carotenoids produce many of the red, orange and yellow signal traits of birds, and individuals must trade off utilizing carotenoids for physiological processes…”
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10
Do fluctuating water levels alter nest survivorship in reservoir shrubs?
Published in The Condor (Los Angeles, Calif.) (01-08-2015)“…Reservoirs often have highly fluctuating water levels. The perimeters of these impoundments, which alternate between being exposed or inundated by water…”
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11
Dominance signalled in an acoustic ornament
Published in Animal behaviour (01-03-2010)“…In many species, males use auditory signals to attract females and females select males based on their dominance status. Here we show that information on…”
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Habitat, Dominance, and the Phenotypic Quality of Male Black-Capped Chickadees
Published in The Condor (Los Angeles, Calif.) (01-02-2007)Get full text
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