Results 91 to 100 of about 14,333 (300)

Evolution and function of fossoriality in the carnivora: implications for group-living

open access: yesFrontiers in Ecology and Evolution, 2015
The societies of group-living carnivores that neither hunt nor interact cooperatively may arise due to ecological drivers and/or constraints. In this study we evaluate whether group-living may be intrinsically associated with fossoriality; a link that is
Michael James Noonan   +3 more
doaj   +1 more source

Demographic History and Population Structure of Polistes fuscatus Paper Wasps [PDF]

open access: yes, 2018
Limited dispersal and cooperation are predicted to coevolve in cooperatively breeding systems. In Polistes paper wasps, mark-recapture studies and genetic analyses have shown that both cooperative and solitary nesting gynes can exhibit natal philopatry.
Bluher, Sarah
core   +1 more source

Philopatry and Regional Connectivity of the Great Hammerhead Shark, Sphyrna mokarran in the U.S. and Bahamas

open access: yesFrontiers in Marine Science, 2017
A thorough understanding of movement patterns of a species is critical for designing effective conservation and management initiatives. However, generating such information for large marine vertebrates is challenging, as they typically move over long ...
T. L. Guttridge   +14 more
semanticscholar   +1 more source

Sex‐biased dispersal in the Arabian babbler (Argya squamiceps)

open access: yesIbis, EarlyView.
Sex‐biased dispersal plays a central role in shaping social structure and reproductive strategies in many bird species. In the Arabian Babbler Argya squamiceps, a cooperatively breeding species with pronounced male philopatry, dispersal occurs individually or in kin‐based same‐sex coalitions.
Roni Ostreiher   +2 more
wiley   +1 more source

Longest documented coastal migrations of shortnose sturgeon

open access: yesJournal of Fish Biology, EarlyView.
Abstract The shortnose sturgeon (SNS; Acipenser brevirostrum) is a United States federally endangered diadromous species. Although SNS spend much of their time in riverine habitat, inter‐river migrations have been documented in northern populations.
Joseph D. Nolan   +8 more
wiley   +1 more source

Orang-utan genes in space and time: the impact of evolutionary processes of diversification on Bornean orang-utans

open access: yesFrontiers of Biogeography, 2012
The evolutionary processes driving patterns of genetic diversity and differentiation, and ultimately leading to speciation, are poorly understood. The aim of this thesis was to investigate the effects of environmental and biological mechanisms on gene ...
Natasha Arora
doaj  

Climate and dispersal: Black-winged Stilts disperse further in dry springs. [PDF]

open access: yesPLoS ONE, 2007
Climate affects the abundance and distribution of many species of wildlife. Nevertheless, the potential effects of climate on dispersive behaviour remain unstudied.
Jordi Figuerola
doaj   +1 more source

Multiple paternity and hybridization in two smooth-hound sharks [PDF]

open access: yes, 2015
Multiple paternity appears to be a common trait of elasmobranch mating systems, with its occurrence likely driven by convenience, due to females seeking to minimize the stress of male harassment.
Gristina, Michele   +5 more
core   +1 more source

Phylogeography and Contact Zones of the Common Grass Snake in Poland (Squamata: Natricidae: Natrix natrix)

open access: yesZoologica Scripta, EarlyView.
ABSTRACT Until now, the genetic identity of common grass snakes (Natrix natrix) in Poland remained poorly understood. This study presents the first comprehensive phylogeographic analysis for Poland using mitochondrial DNA sequences (cyt b and ND4 + tRNAs) and 13 nuclear microsatellite loci.
Andrea Criado‐Flórez   +12 more
wiley   +1 more source

Assessing the role of ontogenetic movement in maintaining population structure in fish using otolith microchemistry

open access: yesEcology and Evolution, 2018
Identifying the mechanisms maintaining population structure in marine fish species with more than a single dispersing life stage is challenging because of the difficulty in tracking all life stages.
Peter J. Wright   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy