1,726 免费图片适用于移民

野生动物鸟纲性质春季鱼湖服務罐头鸭母鸡

San Vicente Parade

Rusty Blackbird

野生动物性质

Reserva Natural de las Aves in Colombia

Yellow Warbler

Yellow-rumped Warbler

Yellow Warbler

Yellow-rumped Warbler

Harris's sparrow

Ice on Lake Andes National Wildlife Refuge South Dakota

Monarch butterflies roosting

Monarch butterflies roosting

Snow Geese Clouds Lake Andes Wetland Management District South Dakota

Snow Geese Lake Andes Wetland Management District South Dakota

Blue Birds Composite on Porch

Palm Warbler

Yellow-rumped Warbler

Yellow Warbler

Snow Geese Clouds Lake Andes Wetland Management District South Dakota

Harris's sparrow

Snow Geese Clouds Lake Andes Wetland Management District South Dakota

Snow Geese Clouds Lake Andes Wetland Management District South Dakota

Roosting Monarch Butterflies

Snow Geese Clouds Lake Andes Wetland Management District South Dakota

Snow Geese Migrating

Lesser Scaup Lake Andes National Wildlife Refuge South Dakota

canvas back hen LAN Ljulian (4)

Redhead Landing Formation Lake Andes National Wildlife Refuge South Dakota

Pair of Northern Pintails Lake Andes Wetland Management Disrtict South Dakota

Waterfowl in Flight Lake Andes National Wildlife Refuge South Dakota

Redhead Flock Lake Andes National Wildlife Refuge South Dakota

Pair of Northern Pintails Lake Andes Wetland Management Disrtict South Dakota

Incoming Waterfowl Lake Andes National Wildlife Refuge South Dakota

Mallard Owens Bay Lake Andes National Wildlife Refuge South Dakota

Northern Pintails in Flight Lake Andes Wetland Management District South Dakota

Redheads Lake Andes National Wildlife Refuge South Dakota

Pair of Northern Pintails Lake Andes Wetland Management Disrtict South Dakota

Mallard Owens Bay Lake Andes National Wildlife Refuge South Dakota

Waterfowl Lake Andes National Wildlife Refuge South Dakota

Northern Pintails in Flight Lake Andes Wetland Management District South Dakota

Lesser Scaup Lake Andes National Wildlife Refuge South Dakota

Canvasback Lake Andes National Wildlife Refuge

Lesser Scaup Lake Andes National Wildlife Refuge South Dakota

Redheads in Flight Lake Andes National Wildlife Refuge South Dakota

Lesser Scaup Lake Andes National Wildlife Refuge South Dakota

Pair of Northern Pintails Lake Andes Wetland Management Disrtict South Dakota

Mallard Owens Bay Lake Andes National Wildlife Refuge South Dakota

Monarchs in Mexico

野生动物动物

Monarchs in Mexico

野生动物动物

Monarchs in Mexico

野生动物动物

Reserve coffee farm in Colombia

Parade at San Vicente Migratory Bird Festival

Monarchs in Mexico

野生动物动物

Ring-necked Duck Lake Andes National Wildlife Refuge South Dakota

Black-throated green warbler on red maple

Zonotrichia albicollis, front 2013-02-28-10.45

建筑物动物

Monarchs in Mexico

野生动物动物

Monarchs in Mexico

野生动物动物

hacia Mejico

Mallard Owens Bay Lake Andes National Wildlife Refuge South Dakota

Common Goldeneyes in Flight Lake Andes National Wildlife Refuge South Dakota

Waterfowl Lake Andes National Wildlife Refuge South Dakota

Redhead Pair Lake Andes National Wildlife Refuge South Dakota

A pair of sandhill cranes at Sherburne National Wildlife Refuge

Lesser Scaup Lake Andes National Wildlife Refuge South Dakota

Partial Leucistic Redhead Hen Lake Andes National Wildlife Refuge South Dakota

Mallard Owens Bay Lake Andes National Wildlife Refuge South Dakota

Gadwall Flying Owens Bay Lake Andes National Wildlife Refuge South Dakota

Northern Pintails and Mallards Lake Andes National Wildlife Refuge South Dakota

Northern Pintails in Flight Lake Andes National Wildlife Refuge South Dakota

Fighing for Food Lake Andes National Wildlife Refuge South Dakota

Redhead Courtship Lake Andes National Wildlife Refuge South Dakota

A group of sandhill cranes coming in for a landing at Sherburne National Wildlife Refuge

Sandhill Cranes Lake Andes Wetland Management District South Dakota

Redhead Courtship Lake Andes National Wildlife Refuge South Dakota

Lesser Scaup Lake Andes National Wildlife Refuge South Dakota

Redhead Lake Andes National Wildlife Refuge South Dakota

Setophaga caerulescens, Black Throated Blue Warbler, U, side face 2013-03-19-15.20.47 ZS PMax

Black-and-white Warbler

Monarchs are vulnerable to extreme weather events, especially after the fall migration from southern Canada and the upper United States to Mexico.

野生动物动物

Monarchs in Mexico

野生动物动物

WWF - Mexico monitors the monarchs at the overwintering grounds annually.

野生动物动物

A WWF - Mexico volunteer monitoring monarch populations.

野生动物动物

Coming in for a Landing Lake Andes National Wildlife Refuge South Dakota

American robin

Commone Goldeneyes Lake Andes National Wildlife Refuge South Dakota

Lesser Scaup Lake Andes National Wildlife Refuge South Dakota

Redheads Owens Bay Lake Andes National Wildlife Refuge South Dakota

Gadwall Flying Owens Bay Lake Andes National Wildlife Refuge South Dakota

Lesser Scaup Lake Andes National Wildlife Refuge South Dakota

Redhead Pair Lake Andes National Wildlife Refuge South Dakota

Redhead Courtship Lake Andes National Wildlife Refuge South Dakota

Sandhill cranes flying over Sherburne National Wildlife Refuge

Lesser Scaup Lake Andes National Wildlife Refuge South Dakota

Gadwall Flying Owens Bay Lake Andes National Wildlife Refuge South Dakota

Northern Pintails Owens Bay Lake Andes National Wildlife Refuge South Dakota

Sandhill cranes in a shallow wetland at Sherburne National Wildlife Refuge

Sandhill cranes flying over Sherburne National Wildlife Refuge

Redheads Owens Bay Lake Andes National Wildlife Refuge South Dakota

Waterfowl Lake Andes National Wildlife Refuge South Dakota

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