Search Results - "Harrison, Nancy M."

Preferred habitat of breeding birds may be compromised by climate change: unexpected effects of an exceptionally cold, wet spring by Whitehouse, Michael J, Harrison, Nancy M, Mackenzie, Julia, Hinsley, Shelley A

“…Previous studies of the consequences for breeding birds of climate change have explored how their populations may respond to increasing temperatures. However,…”
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Positive Interactions among Foraging Seabirds, Marine Mammals and Fishes and Implications for Their Conservation by Veit, Richard R., Harrison, Nancy M.

“…There is increasing recognition of the importance of “positive interactions” among species in structuring communities. For seabirds, an important kind of…”
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Mixed-species flocks: an example of niche construction? by Harrison, Nancy M., Whitehouse, Michael J.

“…Mixed-species flocks result from coevolved relationships between participants: interspecific gregariousness that varies in strength in different species pairs…”
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Personality in Blue Tits (Cyanistes caeruleus) and its Effect on Their Breeding Success by Colchester, Claire, Harrison, Nancy M.

“…In this study, we investigated whether blue tits (Cyanistes caeruleus) showed consistent variation in neophobia responses. The experiment represents a test of…”
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Parid foraging choices in urban habitat and their consequences for fitness by Mackenzie, Julia A, Hinsley, Shelley A, Harrison, Nancy M, Stewart, Ian

“…Urban environments are habitat mosaics, often with an abundance of exotic flora, and represent complex problems for foraging arboreal birds. In this study, we…”
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Effects of structural and functional habitat gaps on breeding woodland birds: working harder for less by Hinsley, Shelley A, Hill, Ross A, Bellamy, Paul E, Harrison, Nancy M, Speakman, John R, Wilson, Andrew K, Ferns, Peter N

“…The effects of habitat gaps on breeding success and parental daily energy expenditure (DEE) were investigated in great tits (Parus major) and blue tits…”
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Identifying the origins of fishing gear ingested by seabirds: a novel multivariate approach by Ridley, Cindy, Harrison, Nancy M, Phillips, R.A, Pugh, P.J.A

“…1.The global decline of albatrosses (Diomedidae: Procellariiformes) is thought to have occurred largely as a direct result of fishery-related mortality…”
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Observations of mixed-species bird flocks at Kichwa Tembo Camp, Kenya by Gordon, Alasdair IV, Harrison, Nancy M

“…Mixed-species foraging flocks were studied at Kichwa Tembo Camp on the edge of the Masai Mara National Reserve in Kenya between July and September 2004…”
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Predation on Jellyfish and Their Associates by Seabirds by Harrison, Nancy M.

“…Scyphozoan jellyfish are preyed on by 11 species of birds in the Bering Sea: Fulmarus glacialis, Puffinus griseus, Puffinus tenuirostris, Oceanodroma furcata,…”
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Observations of the under-described avifauna of the Mostardas Peninsula, Rio Grande do Sul, Brazil by Harrison, Nancy M., Whitehouse, Michael J., Madureira, Lauro A. S. P.

“…The Mostardas Peninsula on the east coast of Rio Grande do Sul state, Southern Brazil is important for migratory shorebirds that depend upon the wetlands in…”
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Preferred Habitat of Breeding Birds May Be Compromised by Climate Change: Unexpected Effects of an Exceptionally Cold, Wet Spring: e75536 by Whitehouse, Michael J, Harrison, Nancy M, Mackenzie, Julia, Hinsley, Shelley A

“…Previous studies of the consequences for breeding birds of climate change have explored how their populations may respond to increasing temperatures. However,…”
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Identifying the origins of fishing gear ingested by seabird: a novel multivariate approach by RIDLEY, Cindy, HARRISON, Nancy M, PHILLIPS, R. A, PUGH, P. J. A

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Do Highly Modified Landscapes Favour Generalists at the Expense of Specialists? An Example using Woodland Birds by Hinsley, Shelley A., Hill, Ross A., Bellamy, Paul, Broughton, Richard K., Harrison, Nancy M., Mackenzie, Julia A., Speakman, John R., Ferns, Peter N.

“…Demands on land use in heavily populated landscapes create mosaic structures where semi-natural habitat patches are generally small and dominated by edges…”
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Foraging at a front: hydrography, zooplankton, and avian planktivory in the northern Bering Sea by Russell, Robert W., Harrison, Nancy M., Hunt, George L.

“…We studied hydrographic structure, zooplankton distributions, and foraging by planktivorous seabirds in the Anadyr Strait, northern Bering Sea, during 4 summer…”
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Foraging Radii and Energetics of Least Auklets (Aethia pusilla) Breeding on Three Bering Sea Islands by Obst, Bryan S., Russell, Robert W., Hunt, George L., Eppley, Zoe A., Harrison, Nancy M.

“…We studied the relationship between the foraging radius and energy economy of least auklets (Aethia pusilla) breeding in colonies on three islands in the…”
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Measuring passerine productivity using constant effort sites: The effect of missed visits by Miles, Will, Freeman, Stephen N., Harrison, Nancy M., Balmer, Dawn E.

“…Site visits for the Constant Effort Sites (CES) ringing scheme are occasionally missed and the standard 12 scheduled annually (May-August) may not all be…”
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Foraging habitat and prey taken by least auklets at King Island, Alaska by Hunt, George L., Harrison, Nancy M.

“…We examined the foraging distribution and prey use of least auklets Aethia pusilla breeding on King Island in the northern Bering Sea. The location of the King…”
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Observations of Multispecies Seabird Flocks around South Georgia by Harrison, Nancy M., Whitehouse, Michael J., Heinemann, Dennis, Prince, Peter A., Hunt, George L., Veit, Richard R.

“…We observed 195 multispecies feeding flocks of birds near Bird Island, South Georgia, between 4 February and 5 March in 1986. Up to 19 seabird species plus…”
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Seabird feeding on benthic amphipods facilitated by gray whale activity in the northern Bering Sea by Grebmeier, Jacqueline M., Harrison, Nancy M.

“…Ampeliscid amphipods are the dominant benthic fauna in the northern Bering Sea and the major food of the California gray whale. Field studies indicate that…”
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Observations of a Mixed-Species Flock of Birds Foraging on Euphausiids near St. Matthew Island, Bering Sea by Hunt, George L., Harrison, Nancy M., Hamner, William M., Obst, Bryan S.

“…We observed mixed-species flocks of birds foraging for euphausiids near Cape Upright, St. Matthew Island. Murres (Uria spp.) predominated, and the number…”
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