High above the verdant canopy of our Costa Rican retreat, a flash of black streaks through the azure sky. It’s the Gray-rumped Swift, a captivating aerial artist that calls the mountain winds its home. While these elusive birds might not land for a chat on your balcony, their acrobatic displays are sure to become a highlight of your nature immersion here.

A Master of the Skies

The Gray-rumped Swift (Chaetura cinereiventris) is a aptly named. Built for life on the wing, it possesses a sleek, streamlined body, a short, squared tail, and long, scimitar-like wings that bulge in the middle. This aerodynamic marvel allows the Gray-rumped Swift to perform incredible feats of agility. Watch in awe as it effortlessly swoops, dives, and spirals through the air, catching insects mid-flight with its wide gape.

A Gray and Black Flash

The Gray-rumped Swift’s plumage is a study in contrasts. Glistening black feathers cover its upperparts, except for a distinctive rump and uppertail coverts that flash a pale gray, giving the bird its namesake. The underparts are a lighter shade of gray, creating a handsome two-toned effect. Both males and females share this coloration, making them indistinguishable to the untrained eye.

A Vocal Acrobat (Sometimes)

While the Gray-rumped Swift spends most of its time in silent flight, it does possess a vocal repertoire. Near nesting sites, you might hear a throaty “churr,” a sound used for communication between mates. Keep your ears peeled, for these vocalizations offer a rare glimpse into the social lives of these fascinating creatures.

A Creature of the Mountains (and Beyond)

The Gray-rumped Swift is a common resident in the highlands of Costa Rica, including the mountain range that graces our retreat. You’re most likely to spot them soaring above the treetops, particularly along ridge lines and open areas. However, their range extends far beyond our mountains. These aerial nomads can be found throughout Central and South America, inhabiting a variety of habitats from forests and mountains to open fields and even urban areas.

Ambassadors of the Invisible World

The Gray-rumped Swift plays a vital role in the ecosystem. Their acrobatic pursuits target a variety of flying insects, helping to control their populations. By keeping insect numbers in check, they ensure the health of the forests and the overall balance of nature.

A Glimpse into the Extraordinary

While you might not be able to hold a conversation with the Gray-rumped Swift, their aerial mastery is a sight to behold. As you witness their graceful maneuvers against the backdrop of our mountain paradise, you’ll gain a newfound appreciation for the extraordinary lives that flit through the Costa Rican skies. So, keep your eyes peeled, and you might just spot this dazzling feathered acrobat gracing the heavens above your retreat.

For more information, please view our comprehensive guide about the birds of Costa Rica