Oilbird (Steathornis caripensis)

Oilbird (Steathornis caripensis)

AUTHOR: Walter Sánchez 

10.01.2023

No matter what time of the year you visit Corcovado National Park, whether it's rainy or dry season, it will always be a lifetime experience for nature lovers, especially for a birder. It was around 10:20 a.m when I was leading a family excursion in San Pedrillo station.

We observed Spider, Howler and Capuchin monkeys, Agoutis, Coatis, Crocodiles, and endangered birds like Scarlet Macaws, Great Curassows, Crested Guans, Trogons. Returning to the ranger station halfway through Pargo trail, I saw a very active mixed flock of birds with several species, including Russet Antshrike, Cocoa Woodcreeper, Black-striped Woodcreeper, Tawny-crowned Greenlet and Black-hooded Antshrike. They were very low near the ground level, calling loud and excited, especially the White-throated Shrike-Tanager that usually leads the flocks in this particular trail.

At first, I thought it was because of a large swarm of Army Ants ahead. Then suddenly, from nowhere, perched about 5 meters from the forest floor, the rare Oilbird, rocking up and down as the mixed flock passed by. It was just like the image I had seen millions of times in the Birds of Costa Rica book and publications on Ornithological revelations! The views I had of this rare Oilbird were just unbeatable.

There are just 11 official records of the Oilbird in Costa Rica, including my report. The spectacular Corcovado National Park was sending me the best birding vibes ever. There is no research about this bird distribution or natural history in the Osa Peninsula. There was report from Piedras Blancas National Park, and in San Pedrillo station, the bird was seen twice. It is considered one of the rarest birds in Costa Rica. It is the only flying fruit-eating bird with echolocation, rooting in large groups in caves.

The Oilbird is named for the young birds, which are so fat that indigenous people and early settlers used to catch them to make oil for lighting and cooking.

It is a bird native to South America in countries like Venezuela, Trinidad, Colombia, Guyana, Bolivia, Peru, and Ecuador. Here are links to ebird showing their distribution in Costa Rica:

https://ebird.org/map/oilbir1?env.minX=-85.6768951603604&env.minY=-20.8226117438577&env.maxX=-57.8291213526552&env.maxY=13.1962251725787

That day I was not leading a tour about natural history and was not expecting to find this incredible bird. I shared the Oilbird's location with another naturalist leading tours, so we all could witness this moment. After that day, we never saw the bird again. Even the trail disappeared due to fallen trees after some heavy winds. Here is an Ebird link to San Pedrillo Hotspot so you can check the birds constantly reported:

https://ebird.org/camerica/hotspot/L441922

I currently organize and lead professional birdwatching tours ONLY to this destination with groups minimum 2 and maximum 6 pax. That includes local expert birding & nature guide, park fees, transportation, snacks and lunch.

HAPPY BIRDING!

 

About Ballena Tales

Ballena Tales  is a free travel guide and comprehensive online magazine for travellers, locals and investors. It covers everything on the Costa Ballena at the south pacific of Costa Rica in the Osa region. Ballena Tales is a multilingual, colourful magazine that publishes it's digital version every two months.

We present our local community throughout interviews with pioneers, writers and artists. Moreover do we provide information about restaurants, hotels, experiences, nature and wildlife at the southpacific region in Costa Rica.

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