High in the mountains of Costa Rica, where clouds brush the treetops and the air cools at night, you might not expect to hear the call of a seabird. But for the critically endangered Black-capped Petrel, also known as Diablotín by locals, these peaks are a vital part of its life cycle.
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Unlike the vibrant toucans and noisy parrots that adorn our rainforests, the Black-capped Petrel is a mysterious creature. It spends most of its life gliding over the vast expanse of the Caribbean Sea, returning to land only under the cover of darkness to breed.
A Ghostly Visitor
These long-winged birds (with wingspans up to 94 cm!) have a distinctive black cap, often extending over their eyes, contrasting with their gray-brown back and white underside. Their arrival at nesting sites in the mountains coincides with the cool nights of November, and their haunting calls – a prolonged “aw” that rises and sometimes ends in a donkey-like bray – echo in the darkness. This nocturnal behavior earned them the nickname Diablotín, fueled by their strange cries and nighttime visits.
A Life in the Air
While sightings in our mountain refuge are rare, their presence speaks to the great diversity of Costa Rica’s ecosystems. These birds are masters of the ocean, spending their days effortlessly gliding over air currents, using their keen eyesight to snatch squid and other delights from the surface. Their ability to travel long distances is impressive: they roam the Caribbean, reaching waters as far north as the eastern United States.
A Struggle for Survival
Sadly, the Black-capped Petrel faces an uncertain future. Once abundant, their numbers plummeted due to overhunting and the introduction of mammalian predators like rats and mongooses. Conservation efforts are underway to protect their nesting sites and raise awareness about this unique bird.
A Song of Hope
While you may not see a Black-capped Petrel flying over our mountain lodge, its presence reminds us of our planet’s interconnectedness. The pristine mountain slopes it chooses for breeding are a vital part of its survival story. Here, in our refuge, we strive to create a paradise for all of Costa Rica’s wildlife, and the Black-capped Petrel, though rarely seen, is an essential element of the tapestry of life that surrounds us.
Listen to the Night
Next time you spend a cool night at our refuge, take a moment to listen to the nocturnal symphony. Perhaps you’ll hear the supernatural song of the Black-capped Petrel, a fleeting echo of the vast ocean carried by the mountain breeze.
Para obtener más información, consulte nuestra guía completa sobre las aves de Costa Rica.
