Results 41 to 50 of about 576 (148)

Birds of Sierra de Vallejo, Nayarit, Mexico [PDF]

open access: yes, 2014
Sierra de Vallejo, is considered a priority region for conservation, and is strongly affected by anthropogenic pressures. The inventory of birds are refers to studies in near areas.
Figueroa-Esquivel, E.M.   +1 more
core  

Observations of chick feeding rates and parental defensive responses to disturbance at nests in the critically endangered New Zealand fairy tern/tara iti (Sternula nereis davisae)

open access: yesNew Zealand Journal of Zoology, Volume 51, Issue 2, Page 175-185, June 2024.
ABSTRACT The New Zealand fairy tern/tara iti (Sternula nereis davisae; NZFT) is New Zealand’s most endangered bird, with approximately 40 individuals remaining. Due to previous poor breeding success, this species is on the brink of extinction. Nest failures occur because of adverse weather, predation, and potentially nest disturbance.
James J. Roberts   +3 more
wiley   +1 more source

Reed Parrotbill nest predation by tidal mudflat crabs: Evidence for an ecological trap?

open access: yesEcosphere, Volume 6, Issue 1, Page 1-12, January 2015., 2015
Understanding the relationships between nesting habitat quality and predation risk is essential for developing appropriate conservation management for threatened species. This is particularly relevant where anthropogenic pressures could decouple the environmental cues used by birds to assess nesting habitat quality from increased predation risk.
Donglai Li   +6 more
wiley   +1 more source

The importance of oyster shells in the breeding success of western snowy plover

open access: yesCalifornia Fish and Wildlife Journal
The Pacific Coast population of the western snowy plover (Anarhynchus nivosus nivosus) is a federally threatened species and is a California Species of Special Concern.
David L. Riensche, Meredith Elliot
doaj   +1 more source

Evaluation Of Nest Fate Classification Accuracy, Research Activities And Nesting Behaviors Of Least Terns And Piping Plovers On The Missouri River [PDF]

open access: yes, 2018
Federally protected interior Least Terns (Sternula antillarum athalassos) and Piping Plovers (Charadrius melodus) are small shorebirds that nest on un-vegetated sand habitat, such as temporary sandbars and permanent islands along inland river systems in ...
Andes, Alicia Kyren
core   +1 more source

Estimating Trends of Common Raven Populations in North America, 1966–2018 [PDF]

open access: yes, 2021
Over the last half century, common raven (Corvus corax; raven) populations have increased in abundance across much of North America. Ravens are generalist predators known to depredate the eggs and young of several sensitive species.
Chenaille, Michael P.   +5 more
core   +1 more source

CHANNEL WIDTH AND LEAST TERN AND PIPING PLOVER NESTING INCIDENCE ON THE LOWER PLATTE RIVER, NEBRASKA [PDF]

open access: yes, 2012
Endangered interior least terns (Sternula antillarum athalassos) and threatened northern Great Plains piping plovers (Charadrius melodus) nest together on midstream sandbars in large rivers in the interior of North America.
Brown, Mary Bomberger   +2 more
core   +3 more sources

FOURTH REPORT OF THE COMMITTEE FOR ECUADORIAN RECORDS IN ORNITHOLOGY (CERO) AND A REVISION OF UNDOCUMENTED AND ERRONEOUS RECORDS IN LITERATURE [PDF]

open access: yes, 2020
We present new distributional records of birds in Ecuador submitted to the Committee for Ecuadorian Records in Ornithology (CERO) from September 2015 through July 2017.
Brinkhuizen, Dusan   +7 more
core   +2 more sources

Survival of fallen and returned rooftop nesting Least Tern chicks

open access: yesAvian Conservation and Ecology
Beach habitat is increasingly degraded and disturbed, and many species of Larids (gulls, terns, and skimmers) have adapted to nesting on gravel rooftops.
Elizabeth A Forys   +2 more
doaj   +1 more source

Extensions to a Novel Predator Aversion System Intended to Protect Nesting Endangered Least Terns Sternula antillarum browni at Venice Beach, CA [PDF]

open access: yes, 2017
Extensions to a prototype predator aversion system using electric shock conditioning are described using both field and laboratory testing. Responses were recorded and analyzed using various recording equipment capturing digital photographs or video ...
Isaev, Alexis, Zare, Armaan
core   +1 more source

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