Results 51 to 60 of about 15,277 (227)
Using programmable infusion pump in avian species – a validation methodology in geese
Wildlife Biology, EarlyView.Wildlife face anthropogenic and natural stressors that affect their physiology and behaviour. The activity of the hypothalamic–pituitary–adrenal axis and glucocorticoid (GC) production is intrinsically linked with energy regulation and environmental stressors.
Myriam Trottier‐Paquet +5 more
wiley +1 more source
Behavioural responses of a gamebird to human encounters across the hunting season
Wildlife Biology, EarlyView.We examined the behavioural adaptation of rock ptarmigan Lagopus muta in response to human encounters across the hunting season. We conducted disturbance experiments in two different parts of the species' range, in subarctic (Iceland) and in alpine (Italy) habitats.
Farina Sooth +2 more
wiley +1 more source
International Journal for Parasitology: Parasites and Wildlife, 2015 To understand the role of migratory birds in the movement and transmission of haematozoa within and between continental regions, we examined 804 blood samples collected from eleven endemic species of South American waterfowl in Peru and Argentina for ...
Matthew M. Smith, Andrew M. Ramey
doaj +1 more source
Are migratory waterfowl vectors of seagrass pathogens?
Ecology and Evolution, 2020 Migratory waterfowl vector plant seeds and other tissues, but little attention has focused on the potential of avian vectoring of plant pathogens.
Damian Michael Menning +6 more
doaj +1 more source
Journal of Avian BiologyThe Central Valley of California (CVC) and Mid‐Atlantic (MA) in the U.S. are both critical sites for nationwide food security, and many waterfowl species annually, especially during the winter, providing feeding and roosting locations for a variety of ...
Matthew J. Hardy +8 more
doaj +1 more source
Wildlife Society Bulletin, EarlyView.We used drone‐based radiotelemetry and multispectral imagery to estimate detection and survival probabilities of blue‐winged teal broods in Saskatchewan, Canada. Weekly brood survival probabilities, estimated via Cormack‐Jolly‐Seber models, increased with age and were comparable between drone methods.
Grant A. Rhodes +5 more
wiley +1 more source
Poultry Science: The mitochondrial quality control system is crucial in maintaining cellular homeostasis during environmental stress. Granulosa cells are the main cells secreting steroid hormones, and mitochondria are the key organelles for steroid hormone synthesis ...
Chen Yang +9 more
doaj +1 more source
Design considerations for breeding waterfowl surveys
Wildlife Society Bulletin, EarlyView.This study evaluated how different survey designs affect the accuracy and precision of breeding waterfowl population estimates in Iowa's Prairie Pothole Region. Using aerial survey data from 2016–2018, we found that conducting at least 2 visits per season reduced bias in pair estimates, particularly for wood ducks and blue‐winged teal, while mallard ...
Tyler M. Harms +2 more
wiley +1 more source
Visual and Olfactory Concealment of Duck Nests: Influence on Nest Site Selection and Success
Human-Wildlife Interactions, 2017 Selecting a nest site is an important decision for waterfowl. Because most nest failure is due to depredation, the primary selective pressure in choosing a nest site should be to reduce depredation risk. This task is difficult, however, because predators
Michael R. Conover
doaj +1 more source
Abundance estimates of eastern black rails in southeastern Colorado
Wildlife Society Bulletin, EarlyView.This study estimated eastern black rail (Laterallus jamaicensis jamaicensis) detection, occupancy, and abundance in southeastern Colorado. We found detection probability increased later in the season and later at night but decreased with ambient noise. Occupancy increased with residual vegetation height and detection of Virginia rail (Rallus limicola).
Eleonora M. Hargett +3 more
wiley +1 more source