related to North America · 28Hummingbird → Alaska, Allen's, Among, Anna's, Arizona, Atlantic, Atlantic Canada, British Columbia, By, California, Caribbean Islands, Central America, During, Florida, Gulf, Gulf Coast, Louisiana, Mexico, Most North American, Ruby-throated
related to Range · 20Hummingbird → Alaska, Americas, Andean, Andes, Atlantic Forest, Canada, Caribbean, Central, Central America, Chile, Colombia, Ecuador, Fuego, Hummingbirds, Mexico, South America, The, Tierra, United States, While
related to Population estimates and threatened species · 16Hummingbird → According, Allen's, Although, Anna's, Brace's, Canada, Caribbean, Conservation, Costa's, International Union, Nature Red List, Riccordia, Several, Threatened Species, Two, United States
related to South America · 14Hummingbird → Andes, Atacama Desert, Boucard, Central Andean Plateau, Charles Darwin, Chile, Ecuador, Gray, In, Patagona, Patagonia, Peru, The, Tracked
related to Courtship dives · 12Hummingbird → Allen's, Anna's, At, Calypte, For, G-force, Hummingbirds, Note, Selasphorus, The, This, When
related to Taxonomy and systematics · 12Hummingbird → Apodiformes, Europe, In, Irish, Nicholas Aylward Vigors, Russia, South America, The, Though, Trochilidae, Trochiliformes, Trochilus
related to Evolution · 11Hummingbird → Apodidae, Apodiformes, Despite, Eurasia, Europe, Eurotrochilus, Hemiprocnidae, Hummingbirds, New World, Oligocene, Rupelian
related to Feeding · 11Hummingbird → All, As, Bird-pollinated, Both, Feeding, Hummingbirds, In, Less, More, New World, Their
related to Song, vocal learning, and hearing · 11Hummingbird → Andean, Anna's, As, Costa's, During, For, Hummingbirds, It, Many, Territorial, Vocalizations
related to Geographic diversification · 10Hummingbird → Caribbean, Ensifera, Hummingbirds, North America, Passiflora, South America, Tacsonia, The, The Andes Mountains, Within
