Male vs Female Mallard Duck: Visual Guide to Sexual Dimorphism #3589285 (License: Personal Use)

The image displays a stylized side-by-side comparison of a male (drake) and female (hen) mallard duck. The drake features an iridescent green head, yellow bill, chestnut breast, gray body, and a signature blue speculum patch on the wing; the hen has mottled brown plumage, a blue speculum, orange legs, and an orange-and-black bill. Both are shown in profile against a clean white background, emphasizing key identification markers used in ornithology and wildlife education.

This image is commonly used in educational web pages, bird identification guides, school biology resources, and nature blogs to teach sexual dimorphism in waterfowl. It serves users seeking quick visual differentiation between mallard sexes, supporting learning, citizen science, and conservation outreach.