Canadian Owls, Mexican Songbirds Invade U.S
Tags: BIRDS -- Migration; SONGBIRDS; OWLS
Related Articles
- Stopover Ecology and Habitat Use of Migratory Wilson's Warblers. Yong, Wang; Finch, Deborah M. // Auk (American Ornithologists Union);Oct98, Vol. 115 Issue 4, p829
Examines the stopover patterns of migratory songbirds, with the use of Wilson's Warbler as a focal species. Evaluation of the effects of age and sex on stopover parameters during spring and fall migration; Variations in stopover patterns; Preferences of these birds relating to the places they...
- Europe-Africa Songbird Migration. // Earthwatch Institute Journal;2002 Research & Exploration, Vol. 21 Issue 3, p12
Monitors the migration of African songbirds to help restore declining populations. Management of habitat change; Discovery on the causes of the bird's decline; Establishment on the habitat needs of songbirds.
- Geomagnetic field affects spring migratory direction in a long distance migrant. Henshaw, Ian; Fransson, Thord; Jakobsson, Sven; Kullberg, Cecilia // Behavioral Ecology & Sociobiology;Aug2010, Vol. 64 Issue 8, p1317
Night-migrating song birds travel to and from their wintering and breeding areas often separated thousands of kilometers apart and are clearly capable of finding intended goal areas from a distant location. Displacement experiments provide a useful way to highlight orientation and navigational...
- Europe-Africa Songbird Migration. // Earthwatch Institute Journal;Jan2004, Vol. 23 Issue 1, p22
Migratory songbird populations in Europe are in decline, but scientists lack the data to show whether birds are losing ground during the breeding season or during their winter migration south. An estimated 500 million birds migrate from Europe to sub-Saharan Africa, many of them flying the last...
- Europe-Africa Songbird Migration. // Earthwatch Institute Journal;2005 Research & Exploration Guide, Vol. 24 Issue 2, p31
The article reports that migratory songbird populations in Europe are in decline, but scientists lack the data to show whether birds are Losing ground during the breeding season or during their winter migration south. Gabor L�vei, Tibor Cs�rg�, Sergio Scebba and Samuel Muchai are stationed...
- Annual Migration Density and Stopover Patterns of Northern Saw-whet Owls (Aegolius acadicus). Whalen, David M.; Watts, Bryan D. // Auk (American Ornithologists Union);Oct2002, Vol. 119 Issue 4, p1154
Presents a study that investigated the density-dependent effects on body condition and stopover patterns of northern saw-whet owls in relation to the irruptive nature of their migration. Primary cause of bird migration; Assessment of the body masses of the owls during migration years;...
- Stealth Migrants. Kerlinger, Paul // Birder's World;Oct2002, Vol. 16 Issue 5, p72
Discusses the migrating behavior of waterfowl in the northern and central United States and southern Canada. Information on the late-summer migration of ducks; Similarities of waterfowl and songbirds.
- Europe-Africa Songbird Migration. // Earthwatch Institute Journal;Jun/Jul2003, Vol. 22 Issue 2, p49
Cites a study by scientists Gabor L�vei, Tibor Cs�rg�, Sergio Scebba and Samuel Muchai for monitoring bird migration on Europe-Africa to help restore decreasing populations of migratory songbirds and manage habitat change. Reliance of migrants on fat reserves built up for the journey;...
- Europe-Africa Songbird Migration. // Earthwatch Institute Journal;Jan2004, Vol. 23 Issue 1, p85
Migratory songbird populations in Europe are in decline as of January 2004, but scientists lack the data to show whether birds are losing ground during the breeding season or during their winter migration south. An estimated 500 million birds migrate from Europe to sub-Saharan Africa, many of...
