These patterns not only aid in camouflage but also play a crucial role in communication and mating displays. The Gila Monster ...

See the closely similar Nuttall’s woodpecker. The Gila also has barred back pattern and is often common in the same habitats, but the Gila is larger than the ladder-backed, has a plain gray ...

The Gila chub once benefited from the engineering feats of beavers living in the upper Gila River basin, whose dams created deep, slow-moving pools the chub loved. So in the late 1800s, when beavers ...