ZAMARRITO: The male Black-breasted Puffleg is a mostly dark hummingbird with tufts of white “boots” above its feet. The species is critically endangered.
28 BirdWatching • January/February 2019
An unclear future
Despite its popularity with the public, Ecuador’s most endangered endemic hummingbird is rare, extremely localized, and not well known by scientists — even those who are trying to protect it
BY BRIAN KLUEPFEL