This 2018 photo provided by Paolo David Escobar shows a male Hillstar hummingbird perched on a Chuquiraga jussieui flower in Ecuador. A study released on Friday, July 17, 2020 finds that the species ...
A male Hillstar hummingbird perches on a Chuquiraga jussieui flower in Ecuador. A study released July 17 finds that the species of hummingbirds can sing and hear frequencies beyond the range of other ...
WASHINGTONWASHINGTON — Perched on a flowering shrub on a windy Andean mountainside, the tiny Ecuadorian Hillstar hummingbird chirps songs of seduction that only another bird of its kind can hear. As ...
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