Results 121 to 130 of about 38,928 (270)

Egg carotenoids in passerine birds introduced to New Zealand: relations to ecological factors, integument coloration and phylogeny [PDF]

, 2005
Phillip Cassey, John G. Ewen, Rebecca L. Boulton, Tim M. Blackburn, Anders Pape Møller, Clotilde Biard, Valerie Olson, Filiz Karadaş   +7 more
openalex   +1 more source

Year‐round colony‐level differences in foraging behaviour and diel activity of yellow‐legged gulls from natural and urban colonies

Journal of Zoology, EarlyView.
GPS‐tracked yellow‐legged gulls from urban (Porto) and natural (Berlenga) colonies showed contrasting foraging strategies. Urban gulls remained near cities and followed human routines, while natural gulls foraged farther and used marine habitats. Abstract Urbanisation has led to increased populations of opportunistic species like gulls, driven by the ...
R. R. Fernandes, J. A. Ramos, J. P. de Faria, D. M. Matos, I. dos Santos, N. Oliveira, P. Rodrigues, V. H. Paiva   +7 more
wiley   +1 more source

Citizen science reveals host‐switching in louse flies and keds (Diptera: Hippoboscidae) during a period of anthropogenic change

Medical and Veterinary Entomology, EarlyView.
A study of louse flies in the United Kingdom, Isle of Man, and Ireland found 212 different interactions between Hippoboscidae and their hosts, of which 70 were previously unrecorded. No louse flies were found on aquatic species of birds. Host‐switching to gulls (Laridae) has occurred during a period in which these species have started relying on ...
Denise C. Wawman, Adrian L. Smith, Ben C. Sheldon   +2 more
wiley   +1 more source

Structure and function of the vocal repertoire of the Rifleman ( Acanthisitta chloris ), a member of the earliest diverging passerine suborder, Acanthisitti [PDF]

, 2023
Yen Yi Loo, Ines G. Moran, Ana Menzies, Sarah J. Withers, Margaret C. Stanley, Kristal E. Cain   +5 more
openalex   +1 more source

Welfare and Felt Duration

Noûs, EarlyView.
ABSTRACT How should we understand the duration of a pleasant or unpleasant sensation, insofar as its duration modulates how good or bad the experience is overall? Given that we seem able to distinguish between subjective and objective duration and that how well or badly someone's life goes is naturally thought of as something to be assessed from her ...
Andreas L. Mogensen
wiley   +1 more source

Spring weights and fat deposition of palaearctic passerine migrants in Senegal [PDF]

, 1990
Karl‐Heinz Loske
openalex   +1 more source

Testing macroevolutionary predictions of the Grant‐Stebbins model in the origin of Aeschynanthus acuminatus

New Phytologist, EarlyView.
Summary The Grant‐Stebbins model predicts that a plant species encountering different pollinators across its range may undergo local adaptation and, subsequently, ecological speciation. We tested whether this could explain the origin of Aeschynanthus acuminatus (Gesneriaceae), a species phylogenetically derived from sunbird specialist ancestors.
Jing‐Yi Lu, Yao‐Wu Xing, Hong Truong Luu, Richard H. Ree   +3 more
wiley   +1 more source

The effect of research activities on nest predation in the Eurasian Reed Warbler Acrocephalus scirpaceus

The European Zoological Journal
During studies of avian breeding biology, ecology and population dynamics, researchers have to breach nesting territories, which can potentially lead to various disturbances resulting in altered relationships in the predator-prey system.
J. Płóciennik, B. Czyż, L. Hałupka
doaj   +1 more source

Weak Nuclear Divergence Despite Pronounced Mitochondrial Divergence Within a Widespread Desert‐Inhabiting Palearctic Lark (Aves: Alaudidae)

Zoologica Scripta, EarlyView.
ABSTRACT The Bar‐tailed Lark Ammomanes cinctura is a polytypic bird species with a wide distribution. One of its three subspecies, A. c. arenicolor, has previously been found to show deep mitochondrial divergence between its geographically most distant populations, from Morocco and Saudi Arabia, respectively.
Zongzhuang Liu, Silvia Colombo, Loïs Rancilhac, Arya Shafaeipour, Ali Haghani, B. Irene Tieleman, Pierre‐André Crochet, Alban Guillaumet, Urban Olsson, Per Alström   +9 more
wiley   +1 more source

Contrasting Seasonal Survivorship of Two Migratory Songbirds Wintering in Threatened Mangrove Forests

Avian Conservation and Ecology, 2010
Long-distance migrants wintering in tropical regions face a number of critical conservation threats throughout their lives, but seasonal estimates of key demographic parameters such as winter survival are rare.
Anna M. Calvert, John Woodcock, Jon D. McCracken   +2 more
doaj