The fall migratory movements of Bank Swallows, Riparia riparia: fly-and-forage migration?
نویسندگان
چکیده
منابع مشابه
Effect of food shortage on the physiology and competitive abilities of sand martin (Riparia riparia) nestlings.
We examined developmental and behavioural plasticity of sand martin (Riparia riparia) nestlings hand-reared under laboratory conditions. We created six broods of six 4-day-old nestlings and randomly assigned them to one of the two following feeding regimens, each lasting for 3 days: (1) all nestmates fed a similar, limited amount of food (FR nestlings). This simulated synchronous hatching under...
متن کاملBetween-male variation in sperm size, velocity and longevity in sand martins Riparia riparia
F. Helfenstein (correspondence), Evolutionary Ecology Group, Zoological Institute, University of Bern, Baltzerstrasse 6, CH-3012 Bern, Switzerland. E-mail: [email protected]. R. H. Wagner, Konrad Lorenz Institute, Austrian Academy of Sciences, Savoyenstrasse 1a, A-1160 Vienna, Austria. T. Szép, Institute of Environmental Sciences, College of Nyı́regyháza, P.O. Box 166, H-4401 Nyı́regyhá...
متن کاملAerial hunting techniques and predation success of Hobbies Falco subbuteo on Sand Martin Riparia riparia at breeding colonies
in animals are potential anti-predator benefits, including the many-eyes effect, predator confusion, the dilution of individual risk of being caught when part of a large group, and the selfish herd effect (Krause & Ruxton 2002). The many-eyes effect postulates that an increased number of potential prey individuals scanning for predators are more effective at detecting their approach, and this e...
متن کاملDammarane-type triterpenoids as 11β-HSD1 inhibitors from Homonoia riparia.
An exploration for 11β-HSD1 inhibitors from Homonoia riparia returned eight new dammarane-type triterpenoids, horipenoids A–H (1–8), and a known oleanane-type triterpenoid (9). Their structures were elucidated on the basis of comprehensive analysis of spectroscopic data, and the absolute configuration of horipenoid E (5) was established by single crystal X-ray crystallography. Compounds 1–4 rep...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Avian Conservation and Ecology
سال: 2020
ISSN: 1712-6568
DOI: 10.5751/ace-01463-150102