Common coexisting ducks in our area include the spot-billed duck Anas poecilorhyncha, mandarin duck Aix galericulata, and common teal Anas crecca
. We considered the Longhushan section and the Erkou section as one section (Longhushan section) in the current study because these two sections are part of the same river in two counties.
These wild bird habitats are wintering sites of migratory waterfowl, including mallard (Anas platyrhynchos), spot-billed duck (Anas poecilorhyncha), Mandarin duck (Aix galericulata), and common teal (Anas crecca
(2017) compared the ring recovery data from common teal Anas crecca
(hereafter teal), and concluded that despite overlap, it was actually still possible to statistically delineate flyway boundaries.
Anas acuta Anas clypeata Anas crecca
Anas penelope Anas querquedul
Mae cwtieir (Coot) a hwyaid copog (Aythya fuligula; Tufted duck) yma, ac yn y gaeaf mae'r corhwyaid (Anas crecca
; Teal) a'r hwyaid llygad aur (Bucephala clangula; Goldeneye) yma.
(Common Teal) and Dendrocygna bicolor (Fulvous Whistling Duck).
1992); patos golondrinos (Anas acuta) en California, Illinois, EUA y Yucatan, Mexico (Bellrose & Elawkins 1947, Miller 1986, Thompson & Baldassarre 1990); patos negros (Anas rubripes) en Maine, EUA (Reinecke KJ, Stone 1982); cerceta ala verde (Anas crecca
) en Texas (Baldassarre et al.
3 E aregonensis (extinct shelduck) Anas crecca
(Green-winged Teal) 7 M, W Anas plat yrhynchos/diazi 16 M, R, W (Mallard or Mexican Mallard) Anas acula (Northern Pintail) 6 M, W Anas strepera (Gadwall) 1 M, W Anas clypeata (Northern 2 M, W Shoveler) Anas discors/cyanoptera 7 M, W (Blue-winged or Cinnamon Teal) [Anas sp.
bessomi is 8.22 mm, which compares to an average height (n = 8) of 8.30 in Anas crecca
and 7.43 mm and 7.84 mm in female and male Oxyura jamaicensis.
Cloacal swabs were collected from teal (Anas crecca
, Anas cyanoptera, Anas discors), mottled ducks (Anas fulvigula), and northern pintails (Anas acuta) in Brazoria County, Texas, USA, during February 2001, mottled ducks during August 2001, and blue-winged teal (A discors) during February 2002.
Wingbeat frequency and the body drag anomaly: Wind-tunnel observations on a thrush nightingale (Luscinia luscinia) and a teal (Anas crecca
A total of 14 species were inventoried during the study period: White-headed Duck, Garganey Anas querquedula, Eurasian Teal Anas crecca
, Tufted Duck Aythya fuligula, Ferruginous Duck, Mallard Anas platyrhyncos, Northern Shoveler Anas clypeata, Gadwall Anas strepera, Eurasian Wigeon Anas penelope, Northern Pintail Anas acuta, and Common Pochard Aythya ferina (Anatidae); and Common Coot Fulica atra, Common Moorhen Gallinula chloropus, and Purple Swamphen Porphyrio porphyrio (Rallidae).