Results 51 to 60 of about 47,734 (349)

African savanna raptors show evidence of widespread population collapse and a growing dependence on protected areas

open access: yesNature Ecology & Evolution
A compilation of survey data from pre- and post-2000 for 42 raptor species across parts of West, Central, East and southern Africa shows 88% of species in population decline and reveals trends across regions, protected areas and species size.
Phil Shaw   +18 more
semanticscholar   +1 more source

Commentary: Defining Raptors and Birds of Prey

open access: yesThe Journal of raptor research, 2019
. Species considered raptors are subjects of monitoring programs, textbooks, scientific societies, legislation, and multinational agreements. Yet no standard definition for the synonymous terms “raptor” or “bird of prey” exists.
C. Mcclure   +7 more
semanticscholar   +1 more source

Updating known distribution models for forecasting climate change impact on endangered species [PDF]

open access: yes, 2013
To plan endangered species conservation and to design adequate management programmes, it is necessary to predict their distributional response to climate change, especially under the current situation of rapid change.
A Castro   +83 more
core   +6 more sources

Postfledging Survival, Movements, and Dispersal of Ring Ouzels (Turdus torquatus) [PDF]

open access: yes, 2013
We thank Invercauld Estate for cooperation with access to Glen Clunie. S. Redpath, J. Wilson, and S. Roos provided valuable comments on the manuscript. This study was funded by the Royal Society for the Protection of Birds, Scottish Natural Heritage, and
Eaton M. A.   +10 more
core   +1 more source

Short-term exposure of anticoagulant rodenticides leads to the toxin accumulation from prey (Rattus losea) to predator (Elanus caeruleus)

open access: yesEcotoxicology and Environmental Safety, 2022
Rodenticides are widely used around the world since the 1950s. In Taiwan, an anti-rodent operation initiated 1977 and became a regular action annually implied by the government until 2014.
Wen-Loung Lin   +3 more
doaj   +1 more source

Verification of Information Flow Properties under Rational Observation [PDF]

open access: yes, 2014
Information flow properties express the capability for an agent to infer information about secret behaviours of a partially observable system. In a language-theoretic setting, where the system behaviour is described by a language, we define the class of ...
Bérard, Béatrice, Mullins, John
core   +4 more sources

Indentifying Iowa's Raptors, 2011 [PDF]

open access: yes, 2011
Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc.

core  

In Situ Lipoprotein‐seeking Dye for in Vivo Real‐Time Imaging of Lipid Dysregulation Diseases

open access: yesAdvanced Science, EarlyView.
This study develops lipoprotein‐seeking NIR‐II dyes that specifically bind circulating lipoproteins. These dyes form ultra‐stable complexes with endogenous lipoprotein, enabling real‐time, high‐contrast imaging of fatty liver and atherosclerotic plaques. Tunable binding kinetics allow customized imaging windows.
Yijing Du   +6 more
wiley   +1 more source

Raptors in the State Nature Reserve “Kerzhensky” After Forest Fires of 2010: Materials of Five-Year Monitoring of a Summer Bird Population

open access: yesПернатые хищники и их охрана, 2016
On the basis of five-year monitoring data on summer bird population in the Nature Reserve “Kerzhensky” after the catastrophic fires of 2010, a spatial distribution of raptors was analyzed (mainly birds of prey – Falconiformes).
Olga S. Noskova
doaj   +1 more source

Electrocution of raptors at power lines in Central Kazakhstan [PDF]

open access: yes, 2013
Along three transects of medium voltage power lines in the steppe of Central Kazakhstan, surveys for bird casualties were carried out in summer 2006 in order to estimate the quantitative and qualitative impact of power lines on bird mortality in this ...
Lasch, Ulrike   +2 more
core  

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