U.S. Fish and Wildlife Service - Midwest Region: Monarch nearly ready to emerge
U.S. Fish and Wildlife Service - Midwest Region: Monarch chrysalis one day before emerging
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar in Minnesota
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar in Minnesota
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar in Minnesota
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar in Minnesota
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar in Minnesota
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Caterpillar on Common Milkweed
U.S. Fish and Wildlife Service - Midwest Region: Monarch Butterfly in Minneapolis, MN