Results 241 to 250 of about 5,969,771 (290)

A systematic review and meta-analysis of unimodal and multimodal predation risk assessment in birds. [PDF]

Nat Commun
Mathot KJ, Arteaga-Torres JD, Besson A, Hawkshaw DM, Klappstein N, McKinnon RA, Sridharan S, Nakagawa S.   +7 more
europepmc   +1 more source

Balancing between predation risk and food by boreal breeding ducks. [PDF]

Ecol Evol
Holopainen S, Miettinen E, Väänänen VM, Nummi P, Pöysä H.   +4 more
europepmc   +1 more source

Population Dynamics and the Microbiome in a Wild Boreal Mammal: The Snowshoe Hare Cycle and Impacts of Diet, Season and Predation Risk. [PDF]

Mol Ecol
Stothart MR, Lavergne S, McCaw L, Singh H, de Vega W, Amato K, Poissant J, Boonstra R.   +7 more
europepmc   +1 more source

Predation Risk

, 2018
Predation is one of the strongest evolutionary forces in the animal kingdom. The need to catch food influences the ecology, morphology, and behavior of predators and prey alike. As a consequence, predation risk has not only a stark effect on the single individual but further shapes food webs and whole ecosystems.
Fischer, Stefan, Frommen, Joachim Gerhard   +1 more
openaire   +4 more sources

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Predators and the Breeding Bird: Behavioral and Reproductive Flexibility Under the Risk of Predation

Biological Reviews, 2009
ABSTRACT A growing body of work suggests that breeding birds have a significant capacity to assess and respond, over ecological time, to changes in the risk of predation to both themselves and their eggs or nestlings. This review investigates the nature of this flexibility in the face of predation from both behavioural and ...
Steven L Lima
exaly   +3 more sources

Half-awake to the risk of predation

Nature, 1999
Birds have overcome the problem of sleeping in risky situations by developing the ability to sleep with one eye open and one hemisphere of the brain awake. Such unihemispheric slow-wave sleep is in direct contrast to the typical situation in which sleep and wakefulness are mutually exclusive states of the whole brain.
Rattenborg, N., Lima, S., Amlaner, C.
openaire   +3 more sources

Predator behaviour and predation risk in the heterogeneous Arctic environment

Journal of Animal Ecology, 2008
1. Habitat heterogeneity and predator behaviour can strongly affect predator-prey interactions but these factors are rarely considered simultaneously, especially when systems encompass multiple predators and prey. 2. In the Arctic, greater snow geese Anser caerulescens atlanticus L.
Nicolas, Lecomte, Vincent, Careau, Gilles, Gauthier, Jean-François, Giroux   +3 more
openaire   +2 more sources

Predation risk and life histories

, 2019
Life histories are how organisms grow, survive, and reproduce over time. Organisms face many trade-offs between growing, surviving, and reproducing. These trade-offs are key to understanding the diversity of life histories in the world.
Bednekoff, Peter A., Peter A. Bednekoff
openaire   +2 more sources

Predation of ducks poisoned by white phosphorus: Exposure and risk to predators

Environmental Toxicology and Chemistry, 1994
Abstract White phosphorus (P4) has been identified as the cause of mortality for dabbling ducks and swans at an estuanne salt marsh in Alaska Predation of ducks poisoned by P4 was monitored to assess the extent and range of predator exposures to P4 Avian tissues were analyzed for P4 by gas chromatography We observed that both sick and ...
B. D. Roebuck, Marianne E. Walsh, Charles H. Racine, Leonard Reitsma, Ben Steele, Sae-Im Nam   +5 more
openaire   +1 more source

Optimal diving under the risk of predation

Journal of Theoretical Biology, 2003
Many air-breathing aquatic foragers may be killed by aerial or subsurface predators while recovering oxygen at the surface; yet the influence of predation risk on time allocation during dive cycles is little known in spite of numerous studies on optimal diving. We modeled diving behavior under the risk of predation at the surface.
Michael R, Heithaus, Alejandro, Frid
openaire   +2 more sources