In Season 1, Episode 2 of Planet Earth II, Sir David Attenborough describes how one special hummingbird has gone through great lengths to avoid competition. In tropical jungles, nectar is first come first serve, so competition is furious among the hundreds of hummingbird species. However, one particular hummingbird species, the sword-billed hummingbird (Ensifera ensiferas) has... Continue Reading →