Zobrazeno 1 - 9
of 9
pro vyhledávání: '"K. V. Avilova"'
Publikováno v:
Biology Bulletin Reviews. 13:205-215
Autor:
K. V. Avilova
Publikováno v:
Biology Bulletin. 46:1084-1096
From 1985–1998 to 2017, the numbers and structure of the urban population of the goldeneye (Bucephala clangula) were studied in the city of Moscow. Wintering birds and females with ducklings were counted on 150 ponds and 23 creeks of Moscow. Based
Autor:
K. V. Avilova
Publikováno v:
Biology Bulletin. 45:945-955
—The structure of and long-term fluctuations in the wintering mallard (Anas platyrhynchos) population were studied from 1985 to 2016 in the city of Moscow. The number of wintering mallards was counted annually on the same day at all ice-free ponds
Autor:
K. V. Avilova
Publikováno v:
Biology Bulletin Reviews. 8:234-244
The spatial organization of the bill tip organ in waterfowl is studied in 327 specimens from 35 species from the Anseriform order, including geese, swans, seaducks, shelducks, dabbling, and diving ducks. Two types of tactile epithelial formations, se
Publikováno v:
Biology Bulletin. 45:51-60
Two types of surface tactile epidermal formations are identified in the bill tip organ of 11 species of lamellirostral birds. Their density arrangement and ratio in the mandible and maxilla are greater in dabbling ducks (filter-feeder species) than i
Autor:
K. V. Avilova
Publikováno v:
Biology Bulletin. 43:1212-1224
The life cycle of the urban mallard (Anas platyrhynchos L.) population of Moscow was monitored from 1998 to 2015. The numbers of the wintering mallards and females with broods, as well as the number of ducklings in each brood, were counted in 150 pon
Publikováno v:
Moscow University Biological Sciences Bulletin. 64:84-91
Numbers, dynamics of distribution for ten years, and relations between density and the rate of urbanization in nine species of Turdidae are calculated. During the last ten years the area of spatial distribu� tion of most species increased by 2-15 t
Autor:
K. V. Avilova
Publikováno v:
Mechanoreceptors ISBN: 9781489908148
The structure of the bill tip organ (BTO) — a term introduced by Gottschaldt and Lausmann, 1974 — in the waterfowl (order Anseriformes) was examined at the SEM level. The epidermal structures of BTO are described in species with a different mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a925822bdba0f5296a11fe1e2618159f
https://doi.org/10.1007/978-1-4899-0812-4_68
https://doi.org/10.1007/978-1-4899-0812-4_68