Cerceta Capuchina vs Cerceta de la Puna

The Silver Teal and Puna Teal are both small dabbling ducks with similar overall appearances, but they can be distinguished by their bill color and habitat preferences. The Silver Teal typically has a blue bill, while the Puna Teal's bill is more slate-colored. Additionally, the Puna Teal is more commonly found at high elevations in the Andes.

Bill color is the most reliable field mark: Silver Teal has a blue bill, while Puna Teal has a slate-colored bill. Habitat can also aid identification: look for Puna Teal in high-altitude Andean lakes.

Both species have similar plumage, but the Silver Teal is noted for its blue bill, whereas the Puna Teal has a slate-colored bill.

The Puna Teal is found on lakes at high elevations in the Andes, from Peru south to Chile and Argentina, which can help distinguish it from the Silver Teal.