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Learning capabilities enhanced in harsh environments: a common garden approach
TLDR
The results support the idea that environmental severity may be an important factor in shaping certain aspects of cognition.
Hippocampal neurogenesis is associated with migratory behaviour in adult but not juvenile sparrows (Zonotrichia leucophrys ssp.)
TLDR
The results suggest that migratory behaviour in adults is associated with maintained or increased neurogenesis and the differential production of new neurons may be the mechanism underpinning changes in the hippocampal architecture between adult migratory and non-migratory birds.
Behavioral Profile Predicts Dominance Status in Mountain Chickadees.
TLDR
The results contradict the idea that novel object exploration and novel room exploration are always interchangeable measures of individuals' sensitivity to environmental novelty and suggest that behavioral profile may predict the social status of group-living individuals.
Determinants of predation risk in small wintering birds: the hawk’s perspective
TLDR
The first description of the predatory behavior of wintering sharp-shinned hawks (Accipiter striatus) is presented, focusing on their selection of prey and attack strategies, and basic prey behavior is related to the risk of death during an attack.
Movement Patterns and Home Range Use of the Northern Watersnake (Nerodia sipedon)
TLDR
The effects of sex and condition on spatial use and movement patterns in ectotherms may have important fitness consequences and future studies should focus on the measurement of resource distribution to further understand the factors influencing variation in snake movements and spatial patterns.
Is bigger always better? A critical appraisal of the use of volumetric analysis in the study of the hippocampus
TLDR
Overall, there is strong evidence that the Hp is involved in the specialization of spatial memory in scatter-hoarding animals, but volume may be only a coarse proxy for more relevant and subtle changes in the structure of the brain underlying changes in behaviour.
Effects of captivity and memory-based experiences on the hippocampus in mountain chickadees.
TLDR
It is demonstrated that captivity reduces hippocampusal volume relative to the remainder of the telencephalon, but not at the expense of neuron numbers, and memory-based experiences in captivity may not be sufficient to maintain hippocampal volume comparable to wild-caught counterparts.
HUNTING BEHAVIOR AND DIET OF COOPER'S HAWKS: AN URBAN VIEW OF THE SMALL-BIRD-IN-WINTER PARADIGM
Abstract We examined the predatory behavior of wintering urban Cooper's Hawks (Accipiter cooperii). Eight Cooper's Hawks (7 female, 1 male) were radio-tracked intensively during two winter periods
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