Results 81 to 90 of about 4,391 (197)

Evaluating the effects of nest management on a recovering raptor using integrated population modeling

Ecosphere
Evaluating population responses to management is a crucial component of successful conservation programs. Models predicting population growth under different management scenarios can provide key insights into the efficacy of specific management actions ...
Caroline D. Cappello, Kenneth V. Jacobson, James T. Driscoll, Kyle M. McCarty, Javan M. Bauder   +4 more
doaj   +1 more source

Observations of mixed-species bird flocks at Kichwa Tembo Camp, Kenya [PDF]

, 2010
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. Observations were made on 29 mixed-species flocks, in which 24 species participated. African Paradise-
Alasdair IV Gordon, Berner T O, Chapin JP., Croxall JP., del Hoyo J, Diamond J., Eguchi K, Gram WK., Greig-Smith PW., Greig-Smith PW., Hino T., Jones SE., Lovejoy TE., McClure HE., McKinnon J, Moynihan M., Nancy M Harrison, Powell GVN., Powell GVN., Rand AL., Rand AL., Stiles EW., Terborgh J W, Vernon CJ., Weins JA., Wiley RH., Winterbottom JM.   +26 more
core   +1 more source

Considerations for a threatened seabird: The impact of shoreline avian predators on at‐sea marbled murrelets

Wildlife Society Bulletin
We tested the influence of on‐shore avian predators on the at‐sea distribution and abundance of marbled murrelets (Brachyramphus marmoratus) during their breeding season in Haida Gwaii, British Columbia, Canada.
Sonya A. Pastran, David B. Lank
doaj   +1 more source

Understanding widespread declines for Common Terns across inland North America: productivity estimates, causes of reproductive failure, and movement of Common Terns breeding in the large lakes of Manitoba

Avian Conservation and Ecology, 2022
Common Tern (Sterna hirundo) breeding populations in inland North America have declined significantly since the 1970s. A 2012 survey of the large Manitoba lakes, previously the largest known inland population stronghold, reported a 57–67% decline in 20 ...
Jennifer M. Arnold, Stephen A. Oswald, Scott Wilson, Patricia Szczys   +3 more
doaj  

Comparative mortality levels among selected species of captive animals [PDF]

We present life tables by single year of age and sex for groups of animals and for 42 individual mostly mammalian species. Data are derived from the International Species Information System. The survivorship of most of these species has never been mapped
Iliana V. Kohler, Laurie Bingaman Lackey, Samuel Preston   +2 more
core  

Bald Eagle home range size and core-use areas in an urbanizing landscape

Global Ecology and Conservation
Urbanization has contributed to the decline of many wildlife species through habitat loss. To examine how Bald Eagles (Haliaeetus leucocephalus) respond to urbanization we used dynamic Brownian bridge movement models to estimate home range size and core ...
Miranda Middleton, Reesa Yale Conrey, Nicolas Jaffe, Liba Pejchar   +3 more
doaj   +1 more source

Impact of Vehicular Traffic on Beach Habitat and Wildlife at Cape San Blas, Florida [PDF]

, 1994
Cape San Bias is located on a barrier spit, St. Joseph peninsula, between St. Joseph Bay and the Gulf of Mexico in Gulf County, Florida (Fig. 1). Locally, the name of the cape is often used to refer to the entire peninsula. St.
Colwell, Sheila V., Cox, Jack H., Percival, H. Franklin   +2 more
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Decision memo: Meisner special use permit [PDF]

, 2006
5 pp. T.17 S., R. 20 E., Section 22. Captured May 29, 2006.Announces decision to issue a new special use permit for Kyle E. Meisner to occupy and use National Forest System land to collect and transport water for domestic use.
Lookout Mountain Ranger District (Or.)
core  

A Landscape Perspective on Bird Beak Deformity: An Epizootic of Unknown Etiology [PDF]

, 2011
Although birds with beak deformities have been documented throughout the literature, the recent spike in occurrences in certain regions has caused concern in the scientific community.
McLaughlin, Rachelle, Menon, Shaily
core   +1 more source

Birds in the Ohio River Valley: Possible Indicators of Environmental Quality [PDF]

, 1989
Author Institution: Division of Math/Science, Shawnee State UniversityThe 1987 Boatload of Knowledge provided a unique opportunity to census the birds along the Ohio River from Pittsburgh to Louisville. A daily species count and determinations of species
Todt, David E.
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