Results 71 to 80 of about 16,451 (265)

Extreme site fidelity in long‐distance migratory shorebirds in Australia and potential implications for conservation

Conservation Biology, EarlyView.
Abstract Site fidelity is the tendency for animals to repeatedly return to the same locations, either within or between years. Site fidelity enables animals to utilize knowledge of previously visited locations, including assessments of seasonal variations in health and mortality risks (e.g., predation), resource availability, and social benefits such ...
Tobias A. Ross, Australasian Wader Studies Group, Victorian Wader Study Group, Queensland Wader Study Group, Robyn Atkinson, Maureen Christie, Danny I. Rogers, Chris Hassell, Roz Jessop, Jonathan T. Coleman, Theunis Piersma, Sara Ryding, Aaron Spence, Marcel Klaassen   +13 more
wiley   +1 more source

Exploring the exploration: implications of leaving or remaining at the natal site during the early stages of independence in a partially migratory bird

Ibis, EarlyView.
Despite being an important fraction of any animal population, juveniles are a severely understudied group. Juveniles often need to learn an array of skills that allow them to survive independently and do so while undertaking decisions that may impact their fitness, recruitment and survival, having therefore relevant demographic implications.
Manuela S. Rodrigues, Afonso D. Rocha, João P. Silva, Carlos Carrapato, Jaime A. Ramos, Pedro M. Araújo, José A. Alves   +6 more
wiley   +1 more source

Can you really change your stripes? Stable wing ornamentation suggests limited condition‐dependent signalling in female common eiders

Ibis, EarlyView.
Variation in the expression of white ornaments, such as flank spots or wing stripes, has previously been related to indices of individual quality in birds. We measured the white wing stripes of colour‐banded female common eiders Somateria mollissima in three islands in Iceland from 2014 to 2023, to determine whether the expression of these ornaments is
Jón Einar Jónsson, Elisabeth Knudsen, James A. Fletcher, Ellen Magnúsdóttir, Árni Ásgeirsson, Jamie N. Carroll   +5 more
wiley   +1 more source

New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific

European Journal of Taxonomy
Sipuncula are marine unsegmented worms that can be found in benthic habitats, from shallow to deep-sea waters. In Mexico these worms have been scarcely studied.
Julio D. Gómez-Vásquez
doaj   +1 more source

Time‐stressed Bar‐tailed Godwits exploit novel prey during migratory fuelling

Ibis, EarlyView.
Long‐distance migratory birds breeding in the Arctic face challenges as earlier snowmelt shifts the timing of vital resources. To keep up with these advancements, birds will need to modify their migration. Higher fuelling rates during stopover have been identified as a critical mechanism for accelerating migration, but this requires adequate food ...
Hailley Danielson‐Owczynsky, Allert I. Bijleveld, Ran Nathan, Sivan Toledo, Roeland A. Bom   +4 more
wiley   +1 more source

A Rocky Intertidal Desert at the Head of a Large Macrotidal Estuary in Quebec, Canada

Diversity
This article documents the widespread absence of sessile species in bedrock intertidal habitats at the head of the St. Lawrence Estuary, a large macrotidal estuary located in eastern Canada.
Ricardo A. Scrosati
doaj   +1 more source

Historical case study of a transfer experiment that demonstrated the importance of the estuarine ecosystem for the survival of Chinook salmon (Oncorhynchus tshawytscha) at the Campbell River estuary, British Columbia, Canada

Journal of Fish Biology, EarlyView.
Abstract Estuary dependence to the survival of Chinook salmon was investigated at the Campbell River estuary, British Columbia, Canada. Replicate batches of marked smolts were transferred from a hatchery and released in 1983, 1984 and 1985 at four ecosystems, two that ensured estuarine experience (river, estuary) and two seawards of the estuary ...
Colin D. Levings, J. Steve Macdonald
wiley   +1 more source

Mengungkap Aspek Biologi dan Emergence Point Hiu Berjalan Halmahera (Hemiscyllium halmahera) di Laut Pulau Maitara Maluku Utara Indonesia

Jurnal Kelautan Tropis
The Halmahera Walking Shark (Hemiscyllium halmahera) is an endemic marine biota in the Halmahera Sea. This species has a local migration pattern and is territorial.
Nebuchadnezzar Akbar, Firdaut Ismail, Abdul Ajiz Siolimbona, Irmalita Tahir, Rustam E Paembonan, Beginer Subhan, Dondy Arafat, Abdurrachman Baksir, Riyadi Subur, Furqan N, Sudibyo Yidoatimojo, I Wayan Nurjaya, Yunan Gilang Restu, Nyoman Metta N Natih, Restu Fajar Hari, Dietriech G. Bengen   +15 more
doaj   +1 more source

Stages of sedimentary infilling in a hypertidal bay using a combination of sedimentological, morphological and dynamic criteria (Bay of Somme, France)

Journal of Maps, 2017
In the context of rising sea level, many estuaries and bays show an overall trend to sedimentary infilling. Among these coastal environments, the Bay of Somme is a hypertidal tide and wave-dominated estuary, filled in by marine sands, with a superficy of
Charlotte Michel, Sophie Le Bot, Flavie Druine, Stéphane Costa, Franck Levoy, Carole Dubrulle-Brunaud, Robert Lafite   +6 more
doaj   +1 more source

Short‐term performance responses of an intertidal fish to sedimentation and warming

Journal of Fish Biology, EarlyView.
Abstract Climate change is altering coastal ecosystems by causing environmental fluctuations, such as increases in temperature and turbidity, which pose major implications for fish physiology and behaviour. Increases in temperature affect fish food intake, swimming capacity and oxygen delivery, while increases in turbidity can impair or enhance prey ...
Anna Carolina Resende, Lucy Campbell, Catarina Vinagre, Alice Rogers   +3 more
wiley   +1 more source