Results 1 to 10 of about 157,499 (290)

Attraction to Smelly Food in Birds: Insectivorous Birds Discriminate between the Pheromones of Their Prey and Those of Non-Prey Insects

open access: yesBiology, 2021
Natural selection has favored the evolution of different capabilities that allow animals to obtain food—e.g., the development of senses for improving prey/food detection.
Luisa Amo, Irene Saavedra
doaj   +3 more sources

The fast and forceful kicking strike of the secretary bird [PDF]

open access: yes, 2016
The study of animal locomotion has uncovered principles that can be applied to bio-inspired robotics, prosthetics and rehabilitation medicine, while also providing insight into musculoskeletal form and function [1, 2, 3, 4].
Biewener   +13 more
core   +3 more sources

Forms of protective behavior of synanthropic birds in response to the biorepellent effect

open access: yesRUDN Journal of Ecology and Life Safety, 2019
The purpose of this scientific and practical research is to increase efficiency of the use of biorepellent (birds of prey) while ensuring the ornithological safety of facilities for the municipal solid waste recycling and disposal.
Ildar R Enaleev, Sergey A Sergeev
doaj   +1 more source

Molecular data support Bombus sonorus and Bombus pensylvanicus (Hymenoptera, Apidae) as distinct species [PDF]

open access: yesJournal of Hymenoptera Research
Despite their distinctive banding patterns, setal coloration, and geographic ranges, the Sonoran bumble bee (Bombus sonorus Say, 1837) and the American bumble bee (Bombus pensylvanicus De Geer, 1773) are often treated as conspecific, with some ...
Jessica L. Beckham   +2 more
doaj   +3 more sources

Spatial Distribution of the Goldenrod Ball Gall Insects [PDF]

open access: yes, 2017
The goldenrod ball gall fly, Eurosta solidaginis (Diptera: Tephritidae), is parasitized by two eurytomid wasps and preyed on by a mordellid beetle, and two bird species. The birds are known to prey most intensively near a forest edge.
Confer, John L
core   +3 more sources

Feeding and foraging ecology of Trindade petrels Pterodroma arminjoniana during the breeding period in the South Atlantic Ocean [PDF]

open access: yes, 2017
Seabirds breeding in tropical environments experience high energetic demands, when foraging in an oligotrophic environment. The globally threatened Trindade petrel Pterodroma arminjoniana has its largest colony in Trindade Island (20°30′S–29°19′W) inside
Bugoni, Leandro   +4 more
core   +1 more source

Using GPS and accelerometer data to precisely record egg laying, incubation and chick hatching of Cinereous Vultures (Aegypius monachus) in-situ [PDF]

open access: yesBiodiversity Data Journal
The Cinereous Vulture (Aegypius monachus) is a near-threatened species, making detailed monitoring of its breeding behaviour crucial for effective conservation. Traditional methods are often invasive and logistically challenging.
Cornel Cotorogea   +6 more
doaj   +3 more sources

Negligible Feeding Responses by Birds to Variations in Abundance of the Budworm, \u3ci\u3eChoristoneura Pinus\u3c/i\u3e (Lepidoptera: Tortricidae) [PDF]

open access: yes, 2017
(excerpts) Recent studies have emphasized that to evaluate the potential importance of any predators in prey regulation it is necessary to consider their functional (feeding) and numerical responses to variations in prey abundance (Holling 1959, Buckner ...
Mattson, William J
core   +2 more sources

Predation risk in relation to brain size in alternative prey of pygmy owls varies depending on the abundance of main prey

open access: yesPLoS ONE, 2020
Large brains in prey may select for adoption of anti-predator behavior that facilitates escape. Prey species with relatively large brains have been shown to be less likely to fall prey to predators.
Anders Pape Møller   +3 more
doaj   +2 more sources

Economic aspects birds of prey usage as bird control operation

open access: yesRUDN Journal of Ecology and Life Safety, 2019
Birds attracted to citys waste landfills represent a significant hazard and additional inconvenience to people. It is necessary to understand not only the reasons for which birds enter the given territory, but also the economic components of the scaring ...
Irina N. Kuznetsova   +2 more
doaj   +1 more source

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