Prey size, density and first-feeding
Modelling the effects of prey size and distribution on prey capture rates of two sympatric marine predators
... of prey capture rates of common guillemots and razorbills, two key members of the North Atlantic seabird ...main prey species, the lesser ...reduced prey size, (2) guillemots would be more ...
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Flexibility in locomotor–feeding integration during prey capture in varanid lizards: effects of prey size and velocity
... the prey (point at the insertion of the head on the prothorax or the trunk) and the position of the eye of the predator were also digitized to quantify movements of the predator relative to the prey during ...
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High prey-predator size ratios and unselective feeding in copepods: A seasonal comparison of five species with contrasting feeding modes
... 30 Table 2: Summary of the bottle volume used and the copepod density (number L -1 ) of each species that has been incubated in each experiment. The numbers in brackets are the number of replicates. For Calanus ...
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High prey-predator size ratios and unselective feeding in copepods: A seasonal comparison of five species with contrasting feeding modes
... 35 electivity index significantly different from 0 (t-test p<0.05). In experiments 1 and 9 none of our large food item categories reached the threshold so these experiments are omitted. Supplementary Table 1. ...
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Park size and prey density limit occurrence of Eurasian Sparrowhawks in urban parks during winter
... Conclusions Predatory birds can be crucial for maintaining ecosys- tem functions (Sekercioglu 2006). Hence, promoting and preserving this functional group should be of high con- servation concern especially within the ...
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Do intraspecific or interspecific interactions determine responses to predators feeding on a shared size-structured prey community?
... sized predators, that intraguild predation rates are high and interspecific interactions 49.. in the shared prey community dominate the response to predation (i.e. predator- 50.[r] ...
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Allometry of skull morphology, gape size and ingestion performance in the banded watersnake (Nerodia fasciata) feeding on two types of prey
... body size imposes limitations on the feeding capabilities of juveniles, particularly in species that consume their prey ...better feeding performance relative to adults and investigations of ...
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Inertial feeding in the teiid lizard Tupinambis merianae: the effect of prey size on the movements of hyolingual apparatus and the cranio cervical system
... of prey through the oral cavity is accomplished by movements of the hyolingual ...main prey detection ...between prey size and the use of inertial ...in prey size will lead to ...
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Effects of prey size and mobility on prey capture kinematics in leopard sharks triakis semifasciata
... a prey item primarily because they employed a standard decapod escape response and ‘tail-flip’ into the water column when disturbed in their holding ...other prey items that apparently offered no ...
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Size-selectivity of predatory reef fish on juvenile prey
... gape size appears to play a minimal role in determining selective preferences amongst important predatory fish during interactions with newly settled and juvenile Pomacentrus ...gape size, with fish ...
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Density and Diversity of Migratory Shorebirds and Their Prey in Hypersaline Lagoons of the Caribbean.
... for feeding and resting during their annual spring and fall migrations from North ...of prey resources, and birds often return to these sites year after year (Grear 1992, Tripp and Collazo ...bird ...
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AQUATIC PREY TRANSPORT AND THE COMPARATIVE KINEMATICS OF AMBYSTOMA TIGRINUM FEEDING BEHAVIORS
... the prey. Although this method ensured that prey capture was parallel to the plane of film, the salamander often turned its head or entire body out of the proper plane prior to or during the first ...
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THE MODULATION OF FEEDING BEHAVIOR IN RESPONSE TO PREY TYPE IN THE FROG RANA PIPIENS
... the feeding behavior of a generalized predator, Rana pipiens, and to quantify the movement patterns involved during feeding on different prey ...its feeding behavior in response to differences ...
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Prey detection in selective plankton feeding by the paddlefish: is the electric sense sufficient?
... a size approximating the encapsulated ...mesh size), and particles of near-uniform size were selected ...of feeding events was determined by subtracting the number of plankton/particles ...
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A morphological and functional basis for maximum prey size in piscivorous fishes
... as prey, as they represent a common natural prey species for piscivores on the GBR ...[42]. Prey fish were kept in a separate outdoor system in large holding tanks, where they were fed daily with ...
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A Prey-Predator Fishery Model With A Relative Size Of Reserved Area
... A prey-predator fishery model having reserved and unreserved area, with prey dispersal in a two-patch environment, has been proposed and investigated in this ...Relative size of the reserve and ...
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Scaling the feeding mechanism of largemouth bass (Micropterus salmoides): kinematics of prey capture
... of size-induced changes in mechanics of the feeding mechanism was investigated by examining the lever arms of the lower jaw and the size and shape of selected cranial ...
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Effects of predation pressure and prey density on short-term indirect interactions between two prey species that share a common predator
... and prey relates to non-consumptive or trait-mediated effects in which prey respond to the presence of a predator through shifts in host plant preference, within-plant distribution, predator-avoidance ...
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Feeding in the dark: lateral line mediated prey detection in the peacock cichlid Aulonocara stuartgranti
... dead prey, a shorter time to first prey strike and a predominance of prey detections (live and dead prey) during a pause, regardless of whether the fish had been treated with cobalt ...
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Locomotor–feeding coupling during prey capture in a lizard (Gerrhosaurus major): effects of prehension mode
... These prey types were selected to provide the animal with prey of different size, shape and mobility, and are know to elicit different prehension ...
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