HYPOTHESIS

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Yawning in sync:implications for social cohesion in horses
《Current Zoology》2025年第2期137-151,共15页Alice Galotti Martina Romano Paolo Baragli Elisabetta Palagi 
The increasing interest in the study of spontaneous(SY)and contagious yawning(CY)was so far focused on several taxa,especially primates.Here,we focused on SY and CY in horses,a suitable species due to their complex so...
关键词：EquiFACS Equus caballus social modulation hypothesis Yawn contagion yawn morphologies 
Extending the social cohesion hypothesis:is group social structure associated with dispersal in yellow-bellied marmots(Marmota flaviventer)?
《Current Zoology》2024年第6期714-720,共7页Sara A.Schneidman Conner S.Philson Daniel T.Blumstein 
supported by the Hamilton College Jeffery Fund Science Internship and the Rocky Mountain Biological Laboratory;supported by the University of California Los Angeles,American Society of Mammalogists,the Animal Behavior Society,and Rocky Mountain Biological Laboratory;supported by the National Geographic Society,the University of California Los Angeles(Faculty Senate and Division of Life Sciences),an RMBL research fellowship;U.S.National Science Foundation(NSF IDBR-0754247 and DEB-1119660 and 1557130 to D.T.B.,as well as DBI 0242960,07211346,1226713,and 1755522 to RMBL).
Dispersal is an important individual decision which may influence individual fitness as well as population viability.The social cohesion hypothesis posits more social individuals remain at home,which is supported by p...
关键词：dispersal social cohesion social relationships yellow-bellied marmot 
Lack of response to conspecific juvenile vocalizations in two avian brood parasites
《Current Zoology》2024年第5期589-595,共7页Rocío Prieto María Cecilia De Mársico Juan C.Reboreda Romina C.Scardamaglia 
supported by grants PICT 2015-1628 from Agencia Nacional de Promoción Científica y Tecnológica and UBACYT 20020170100521BA from Universidad de Buenos Aires to J.C.R.
Juveniles of interspecific avian brood parasites need to locate and recognize conspecifics to continue their life cycle after being reared by individuals of another species.However,little is known about the recognitio...
关键词：brood parasitism fledglings Molothrus parental behavior hypothesis vocal recognition 
A test of the species confidence hypothesis in dusky damselfish
《Current Zoology》2024年第1期79-86,共8页Elle Overs Sydney Stump Isabel Severino Daniel T.Blumstein 
Visual cues are important in both interspecific and intraspecific communication.The species confidence hypothesis proposes that animals are more attracted to conspecific colors and repelled by colors,not on their bodi...
关键词：antipredator behavior flight initiation distance risk assessment species confidence hypothesis Stegastes nigricans 
Bigger or long-winged male common crossbills exhibit redder carotenoid-based plumage coloration
《Current Zoology》2023年第2期165-172,共8页Blanca Fernandez-Eslava Daniel Alonso David Galicia Juan Arizaga Carlos Alonso-Alvarez 
The study is part of the project PID2019-109303GB-I00 funded by MCIN/AEI/10.13039/501100011033.
Carotenoid-based ornaments are often considered reliable(honest)individual condition signals because their expression implies physiological costs unaffordable for low-quality animals(handicap signals).Recently,it has ...
关键词：avian carotenoids color and biometrics Loxia genus Mediterranean crossbills resource allocation trade-offs shared pathway hypothesis 
Seasonal metabolic flexibility is correlated with microclimate variation in horned larks and house sparrows
《Current Zoology》2022年第2期199-210,共12页Paige OBOIKOVITZ David L.SWANSON 
Maximum and minimum metabolic rates in birds are flexible traits and such flexibility can be advantageous in variable climates.The climatic variability hypothesis(CVH)posits that more variable climates should result i...
关键词：climatic variability hypothesis Eremophila alpestris metabolic flexibility metabolic rates microclimates Passer domesticus 
The benefits of being dominant:health correlates of male social rank and age in a marmot
《Current Zoology》2022年第1期19-26,共8页Kenta UCHIDA Rachel NG Samuel A.VYDRO Jennifer E.SMITH Daniel T.BLUMSTEIN 
K.U.was supported by the Japan Society for the Promotion of Science Overseas Research Fellowship.J.E.S.was supported by the American Association of University Women,Institute for Society and Genetics at the University of California Los Angeles,and American Philosophical Society for fellowships.D.T.B.was supported by the National Geographic Society,UCLA(Faculty Senate and the Division of Life Sciences),a Rocky Mountain Biological Laboratory research fellowship,and by the National Science Foundation(I.D.B.R.-0754247,and D.E.B.-1119660 and 1557130 to D.T.B.,as well as D.B.I.0242960,0731346,and 1226713 RMBL).
The benefits of dominance may not come without costs,particularly for males.For example,the“immunocompetence handicap hypothesis”states that males with enhanced mating success allocate resources to enhance reproduct...
关键词：immunocompetence handicap hypothesis life history trade-offs N/L ratio physiological stress resource quality hypothesis 
Ecological and evolutionary constraints on regional avifauna of passerines in China
《Current Zoology》2021年第4期431-440,共10页Tianlong Cai Qing Quan Gang Song Yongjie Wu Zhixin Wen Chunlan Zhang Yanhua Qu Gexia Qiao Fumin Lei 
supported by the Strategic Priority Research Program of the Chinese Academy of Sciences[XDA19050202];the National Natural Science Foundation of China[31630069];the Second Tibetan Plateau Scientific Expedition and Research(STEP)programme[2019QZKK05010112 and 2019QZKK0304];other programs[KGFZD-135-19-05].
Strong correlations between species diversity and climate have been widely observed,but the mechanism underlying this relationship is unclear.Here,we explored the causes of the richness-climate relationships among pas...
关键词：AVIFAUNA diversification rate hypothesis diversity hotspots.Eastern Himalayas-Mountains of Southwest China phylogenetic relatedness tropical conservatism hypothesis 
Exploring the adjustment to parasite pressure hypothesis: differences in uropygial gland volume and haemosporidian infection in palearctic and neotropical birds
《Current Zoology》2021年第2期147-156,共10页Sergio MAGALLANES Anders Pape MøLLER Charlene LUJÁN-VEGA Esteban FONG Daniel VECCO Wendy FLORES-SAAVEDRA Luz GARCÍA-LONGORIAA Florentino DE LOPE JoséA.IANNACONE Alfonso MARZAL 
This work was supported by the Spanish Ministry of Economy and Competitiveness research projects[grant CGL2015-64650P];Junta de Extremadura[grant IB16121];S.M.and A.M.were supported by a Ph.D.grant from the Ministry of Economy and Competition of Spain and a mobility grant of Junta de Extremadura(129/2015),respectively.L.G.-L.was supported by the Junta de Extremadura[PO17024,Post-Doc grant].
Parasites are globally widespread pathogenic organisms,which impose im portant selective forces upon their hosts.Thus,in accordance with the A djustm ent to parasite pressure hypothesis,it is expected that defenses am...
关键词：adjustment to parasite pressure hypothesis MALARIA Neotropical region preen oil temperate region 
Habitat productivity is a poor predictor of body size in rodents
《Current Zoology》2020年第2期135-143,共9页Bader H.Alhajeri Lucas M.V.Porto Renan Maestri 
B.H.A.and L.M.V.P.did not receive any grant funding for this project.R.M.was supported by CAPES and CNPq(grant 406497/2018-4).
The"resource availability hypothesis"predicts occurrence of larger rodents in more productive habitats.This prediction was tested in a dataset of 1,301 rodent species.We used adult body mass as a measure of body size ...
关键词：Bergmann's rule BODY size(body mass) HABITAT PRODUCTIVITY heat conservation HYPOTHESIS normalized difference vegetation index(NDVI) resource availability HYPOTHESIS 
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