Results 61 to 70 of about 785 (141)

Key ecological sites of Hamilton City: Volume 1 [PDF]

open access: yes, 2012
Ecological sites of significance previously identified in 2000 were reviewed in 2011. Natural vegetation in areas acquired by the city since 2000 was also surveyed to identify any new key sites.
Clarkson, Bruce D.   +2 more
core   +1 more source

The North American Geese: Their Biology and Behavior [PDF]

open access: yes, 2016
The eight currently recognized species of North American geese are part of a familiar group of birds collectively called waterfowl, all of which are smaller than swans and generally larger than ducks.
Johnsgard, Paul A.
core   +3 more sources

Ecological divergence of wild birds drives avian influenza spillover and global spread. [PDF]

open access: yesPLoS Pathog, 2022
Hill NJ   +13 more
europepmc   +1 more source

Annex II: estatus de l'avifauna balear [PDF]

open access: yes
not ...
Comité editorial, Fauna Illes Balears
core  

Survival, Abundance, and Geographic Distribution of Temperate-Nesting Canada Geese (Branta canadensis) in Arkansas [PDF]

open access: yes, 2014
Temperate-nesting Canada geese in Arkansas have grown in abundance and range since reintroduction in the 1980s. The Arkansas Game and Fish Commission uses harvest and other methods to maintain the population at desired levels.
Ronke, Margaret Eliese
core   +1 more source

Illinois Waterfowl Surveys and Investigations W-43-R-64 Annual Progress Report FY2017 Period: 1 July 2016 – 30 June 2017 [PDF]

open access: yes, 2017
Objectives 1) Inventory abundance and distribution of waterfowl, shorebirds, and other waterbirds (a minimum of 10 species and guilds) during autumn migration at a minimum of 30 sites along and nearby the Illinois and central Mississippi rivers, 2 ...
Askren, Ryan J.   +10 more
core  

Re-Establishment of the Giant Canada Goose in Iowa [PDF]

open access: yes, 1972
Giant Canada geese (Branta canadensis maxima) were common nesters in Iowa before 1900 but were exterminated through overexploitation about that time. Recent efforts by the Iowa Conservation Commission to re-establish these birds have been successful.
Bishop, Richard A., Howling, Ronald G.
core   +1 more source

Delayed Nesting by Female Canada Geese (Branta Canadensis): Benefits and Costs [PDF]

open access: yes, 2012
In many avian species, females do not nest the first year they attain sexual maturity. I examined the benefits and costs of delayed nesting in a nonmigratory population of Canada Geese (Branta canadensis) in New Haven County, Connecticut, from 1984 ...
Conover, Michael R.
core   +1 more source

Nest-Site Selection and Nesting Ecology of Giant Canada Geese in Central Tennessee [PDF]

open access: yes, 2010
Little information is available on giant Canada goose (Branta canadensis maxima) nest-site selection on isolated nesting ponds. We monitored 46 island and 72 shoreline nests in the Upper Cumberland (UC) region of central Tennessee during 2002 and 2003 ...
Carbaugh, Jason S.   +2 more
core   +1 more source

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