Skip to main content

You've searched: All Collections

  • All fields: Aythya
(87 results)



Display: 20

    • Habitat suitability index models: Gadwall (breeding)

    • Aquatic birds; Biological control; Habitat conservation; Migratory birds; Wetlands;
    • The basis for this HSI model was developed in a workshop that included the following waterfowl biologists form the Northern Prairie Wildlife Research Center, Jamestown, ND: Leo Kirsch (retired), John Lokemoen, and George Swanson. These individuals...
    • Canvasback ducks

    • Aquatic birds; Birds; Waterfowl; Migratory birds;
    • A flock of Canvasback ducks swim together in the Chesapeake Bay.
    • Canvasback ducks

    • Aquatic birds; Birds; Waterfowl; Migratory birds;
    • A group of Canvasback ducks swim together in the Chesapeake Bay.
    • Lead hazards to fish, wildlife, and invertebrates: a synoptic reivew

    • Biologists (USFWS); Water; Fishes; Pollutants;
    • Lead (Pb) and its compounds have been known to man for about 7,000 years, and Pb poisoning has been recognized for at least 2,500 years. All credible evidence indicates that Pb is neither essential nor beneficial to living organisms, and that all...
    • Male Lesser Scaup

    • Birds;
    • This bird is difficult to distinguish from the greater scaup in the field. In good light, look for the purple gloss in the male's head feathers.
    • Ring-Necked Duck

    • Birds; Aquatic birds; Waterfowl; Wildlife refuges;
    • A female Ring-necked Duck stands on a log in the water at the DeSoto National Wildlife Refuge located in Iowa.
    • Lesser Scaup

    • Birds; Aquatic birds; Waterfowl; Wildlife refuges; Species of concern;
    • A profile view of a Lesser Scaup at the Lower Klamath Wildlife Refuge located in Tulelake, California. The Lesser Scaup is listed as a species of concern.
    • Drake Canvasback

    • Birds; Birds; duck; ducks; Waterfowl; Migratory birds; line art; Illustrations; illustrations
    •  
    • Canvasback

    • Birds; Migratory birds;
    • A canvasback taking a swim across the water.
    • Lesser scaup

    • Birds; Shorebirds; Waterfowl;
    • A lesser scaup is pictured swimming.
    • Lesser scaup

    • Birds; Shorebirds; Waterfowl;
    • A lesser scaup is seen swimming.
    • Lesser scaup

    • Birds; Shorebirds; Waterfowl;
    • An upclose shot of a lesser scaup swimming.
    • Scaup

    • Birds; Shorebirds; Waterfowl;
    • A scaup is pictured spreading his wings.
    • Lesser Scaup

    • Birds; Species of concern; Wildlife refuges; Waterfowl;
    • A frontal view of a Lesser Scaup at the Lower Klamath National Wildlife Refuge located in Tulelake, California. The Lesser Scaup is listed as a species of concern.
    • Canvasback hen

    • Birds; Waterfowl;
    • This image was taken at the Anchorage Coastal Wildlife Refuge, Potter's Marsh, in Anchorage.
    • Canvasback hen

    • Birds; Waterfowl;
    • This image was taken at the Anchorage Coastal Wildlife Refuge, Potter's Marsh, in Anchorage.

QuickView

Display a larger image and more item information when the pointer pauses over a thumbnail
 

Layout options:

Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK