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Assessment of predation risk via illumination level: facultative central place foraging in the cricetid rodent Phyllotis darwini
(Springer-Verlag, 1994)
It is well known that the risk of predation affects prey decision making. However, few studies have been concerned with the cues used by prey to assess this risk. Prey animals may use indirect environmental cues to assess ...
A breath of fresh air in foraging theory: The importance of wind for food size selection in a central-place forager
(University of Chicago Press, 2017-09)
Empirical data about food size carried by central-place foragers do not often fit with the optimum predicted by classical foraging theory. Traditionally, biotic constraints such as predation risk and competition have been ...
Do penguins share? Evidence of foraging niche segregation between but not within two sympatric, central-place foragers
(Inter-Research, 2016-04)
Niche theory predicts that sympatric species should differentiate ecologically in order to co-exist and conspecifics will also differentiate to reduce intra-specific competition. As central-place foragers, colonial breeding ...
Pushed for time or saving on fuel: Fine-scale energy budgets shed light on currencies in a diving bird
(The Royal Society, 2009-09)
Animals may forage using different currencies depending on whether time minimization or energy maximization is more pertinent at the time. Assessment of net energy acquisition requires detailed information on instantaneous ...
Food habits of the Crested Caracara (Caracara plancus) in the Andean Patagonia: the role of breeding constraints
(Academic Press Ltd - Elsevier Science Ltd, 2001-04)
Crested caracara (Caracara plancus) in Patagonia have a generalist diet, feeding mainly on mammalian carrion and arthropods. Vertebrate prey (mammals, birds and reptiles) are primarily captured to feed nestlings and ...
Diet of adults and cubs of Lycalopex gymnocercus in Pampas grassland: A validation of the Optimal Foraging Theory?
(Finnish Zoological Botanical Publishing Board, 2011-08)
We compared the diet of adult Pampas foxes (Lycalopex gymnocercus) and their cubs in a Pampas grassland area of Argentina by analysing 152 scats (adults: 92, cubs: 60). We used an Index of Relative Importance (IRI) to ...
Subterranean termites (Isoptera: Rhinotermitidae): Exploitation of equivalent food resources with different forms of placement
(Wiley-Blackwell, 2012-06-01)
Coptotermes gestroi and Heterotermes tenuis have been described as important urban pests in Brazil. The establishment of control technologies using baits that consider the social behavior of termites requires a better ...
Subterranean termites (Isoptera: Rhinotermitidae): Exploitation of equivalent food resources with different forms of placement
(Wiley-Blackwell, 2012-06-01)
Coptotermes gestroi and Heterotermes tenuis have been described as important urban pests in Brazil. The establishment of control technologies using baits that consider the social behavior of termites requires a better ...
Social complexity and learning foraging tasks in bees
(Caldasia, 2008)
Social complexity and models concerning central place foraging were tested with respect to learning predictions using the social honey bee (Apis mellifera ) and solitary blue orchard bee (Osmia lignaria) when given foraging ...
Isotopic niche plasticity in a marine top predator as indicator of a large marine ecosystem food web status
(Elsevier Science, 2021-07)
As marine ecosystems are harvested or modified by anthropogenic or natural factors, there is an increasing demand for indicators of trophic web health or status. The Magellanic Penguin (Spheniscus magellanicus) is a widely ...