Measures of predator diet alone may underestimate the collective impact on prey: Common buzzard Buteo buteo consumption of economically important red grouse Lagopus lagopus scotica
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Oral Administration of Tiletamine/zolazepam for the Immobilization of the Common Buzzard (buteo Buteo)
--The purpose of this study was to test the efficacy of oral administration of tiletamine/ zolazepam in a bait fbr immobilizing Common Buzzards (Buteo buteo) (N = 20). Two different dosages and two different methods of administration were compared. A dosage of 80 mg/kg was sufficient in most birds to enable safe handling after 30-60 min, whereas the majority of animals receiving 40 rag/ kg stil...
متن کاملVegetation Analysis of the Territorial Boundary between Red Grouse (lagopus Lagopus Scoticus) and Ptarmigan (lagopus Mutus)
The location of the boundary between the territories of red grouse (Lagopus lagopus scoticus) and ptarmigan (Lagopus mutus) is related to the vegetation of the hills where both these species occur. If the vegetation is dominated by tall, vigorous Calluna vulgaris, grouse occur. At greater altitudes where Calluna is shorter and less vigorous, significant levels of Empetrum hermaphroditum and Vac...
متن کاملVisceral gout in a rough legged hawk (Buteo lagopus).
Visceral gout is reported for the first time in a rough legged hawk (Buteo lagopus). Urate crystals were present on the pericardium, thoracic and abdominal air sacs, and the ventral surface of the liver. The liver and spleen also had urate crystals throughout the parenchyma. There was no indication of articular or renal involvement. The immediate cause of death in this hawk was not identified, ...
متن کاملFine-scale population epigenetic structure in relation to gastrointestinal parasite load in red grouse (Lagopus lagopus scotica)
Epigenetic modification of cytosine methylation states can be elicited by environmental stresses and may be a key process affecting phenotypic plasticity and adaptation. Parasites are potent stressors with profound physiological and ecological effects on their host, but there is little understanding in how parasites may influence host methylation states. Here, we estimate epigenetic diversity a...
متن کاملDensity, number and habitat use of Common Buzzard (Buteo buteo) wintering in the lowlands of Bulgaria
National survey on density, number and habitat use of Common Buzzards wintering in the lowlands (under 650 m a.s.l.) of Bulgaria was conducted in January 2006. Combined method of road count survey with point count technique modified by Distance analysis was applied. A total of 174 point transects were made and 501 Common Buzzards were registered. The frequency of species was 74.7% and the relat...
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ژورنال
عنوان ژورنال: PLOS ONE
سال: 2019
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0221404