Antillean Crested Hummingbird. Image by Photo by Kim Hansen, dark areas lifted by Archaeodontosaurus, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via ...
The Ruff (Philomachus pugnax) is a medium-sized wading bird known for its unique mating behaviors and striking sexual dimorphism. This species breeds in marshes and wet meadows across northern Eurasia ...