A new species of high-altitude hummingbird may already be in trouble
Scientists estimate there are fewer than 750 of these birds living in the Ecuadorean Andes
![blue-throated Hillstar hummingbird](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/09/092518_JL_hummingbird_feat.jpg?fit=860%2C460&ssl=1)
HIGH FLIER The newly discovered blue-throated Hillstar hummingbird can survive harsh conditions in the Ecuadorian Andes, thanks to its adaptations for high altitude.
F. Sornoza