Results 51 to 60 of about 7,627 (180)

Winter Field Report, December 2015 to February 2016 [PDF]

open access: yes, 2015
As has been the trend in recent years, many species are lingering later in fall and even arriving earlier in spring. Along with lingering birds, mid-winter and overwintering records have increased.
Silcock, W. Ross
core   +2 more sources

Cambios en la abundancia de aves en un fragmento de bosque neotropical durante un período de 25 años: una revisión [PDF]

open access: yes
Few data are available to evaluate the long term effects of habitat isolation on species richness or abundances in the tropics. Barro Colorado Island (BCI), Panama, has been studied for more than 80 years since its isolation from surrounding lowland ...
Robinson, W. D.
core  

Survey for least bell's vireo in riparian habitat on Vandenberg Air Force Base, Santa Barbara County, California [PDF]

open access: yes
The least bell's vireo (Vireo bellii pusillus) was listed in 1986 as an endangered species by the U.S. Fish and Wildlife Service. Because of the possibility of the species existing on Vandenberg Air Force Base (VAFB), this survey was conducted to ...
Breininger, David R.
core   +1 more source

Ecological study of Hickford Park and coastal walkway route options [PDF]

open access: yes, 2012
An ecological study of Hickford Park, (New Plymouth) was conducted by the Environmental Research Institute, University of Waikato, for the New Plymouth District Council.
Bylsma, Rebecca Johanna   +1 more
core   +1 more source

Wide-spread brain activation and reduced CSF flow during avian REM sleep. [PDF]

open access: yesNat Commun, 2023
Ungurean G   +6 more
europepmc   +1 more source

On the Alleged Egg-Carrying Habit of the Band-Tailed Pigeon

open access: yesThe Auk, 1912
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

An inventory of state natural resources information systems [PDF]

open access: yes
The status of a project to inventory state natural resources information systems is summarized.
Caron, L. M., Sidor, D.
core   +1 more source

Band-tailed Pigeon Population Status, 2011 [PDF]

open access: yes, 2011
This report summarizes information on the abundance and harvest of band-tailed pigeons (Patagioenas fasciata) in the western United States and British Columbia from 1968 through 2010.
Sanders, Todd A.
core   +1 more source

ADOPT [PDF]

open access: yes
(See instrucuons on ...
D Other
core  

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