---
title: Oilbird (Steatornis caripensis)
slug: oilbird-steatornis-caripensis-32be4
url: /detay/oilbird-steatornis-caripensis-32be4
type: article
language: English
entity:
  primary: Oilbird (Steatornis caripensis)
  type: article
  disambiguation: Oilbird (Steatornis caripensis): Nocturnal fruit-eating bird with unique echolocation.  Discover its ecology!
  categories:
    - name: Ecology, Botany And Zoology
      slug: ekoloji-botanik-ve-zooloji
      url: /kategori/ekoloji-botanik-ve-zooloji
  tags:
    - Echolocation
    - Seed Dispersal
    - Frugivorous
    - Nocturnal
    - Oilbird
author: Fatih Atalay
created_at: 2025-05-24T23:56:51.128358+03:00
updated_at: 2025-06-12T15:15:02.555574+03:00
image: https://cdn.t3pedia.org/media/uploads/2025/05/24/lBhoxEW0pa0djBytATOVMEHxslySNpoL.webp
---

# Oilbird (Steatornis caripensis)

<!-- CONTEXT: KURE Information Cards for "Oilbird (Steatornis caripensis)" -->

## KURE Information Cards

### KURE Information Card: Oilbird (Steatornis caripensis)

![NbEDnX4UjSjmCa7w7fS8Ab5RSMWJlSIT.webp](https://cdn.t3pedia.org/media/uploads/2025/05/24/SRhLb82CAD4DRSu7gL2mnzffKKYaOLh1.webp)

| Field | Value |
|-------|-------|
| Scientific Name(s) | Steatornis Caripensis |
| Reproduction(s) | Breeds in Colonies within Caves |
| Weight(s)(Text) | 350–475 g |
| Family(ies) | Steatornithidae |
| Distribution(s) | Caribbean,Northern Regions of South America |
| Diet(s) | Fruit |
| Habitat | Caves,Moist tropical forests |
| Order | Steatornithiformes |
| Average Length | 40–49 cm |

<!-- CONTEXT: Article Content for "Oilbird (Steatornis caripensis)" -->

## Article Content

The Oilbird (*Steatornis caripensis*) is the only known [nocturnal](/en/detay/owl-night-watchman-ef98d/llms.txt), frugivorous bird species inhabiting northern South America and the Caribbean. It is the sole representative of both the family Steatornithidae and the order Steatornithiformes. Notable for its colony-based cave dwelling, echolocation ability, and long-distance [seed dispersal](/en/detay/yag-kusu-7ba9f/llms.txt), the oilbird plays an essential role in tropical forest ecosystems.

### **Morphological and Physiological Characteristics**

#### **Taxonomy and Evolutionary Position**

The oilbird, *Steatornis caripensis*, is the only species in the family Steatornithidae and the order Steatornithiformes, which underscores its evolutionarily isolated position. Fossil records indicate that the lineage dates back at least to the Late Miocene.

#### **Physical Features**

Oilbirds measure approximately 40–49 cm in length and weigh between 350–475 grams. Their feathers are brown with white spots. Wide wings and a long tail provide agility during nocturnal flights. The species’ eyes have evolved to offer exceptional vision even in low-light environments.

#### **Vision and Echolocation**

Due to their life in completely dark caves, oilbirds possess a highly developed visual system. Their retinal structures are specialized for maximum sensitivity in low-light conditions. Additionally, they are capable of echolocation, a rare adaptation among birds, which enables them to navigate through dark caves with remarkable accuracy.

![Image](https://cdn.kureansiklopedi.com/media/uploads/2025/05/13/cANKSNNEUOj9WFE6PuOlVpZ8AodxJnlk.jpg)
*Oil bird Eco Feature (Created by Artificial Intelligence)*

### **Behavioral Characteristics and Ecological Role**

#### **Feeding Habits**

Oilbirds are nocturnal frugivorous birds. They particularly favor fruits from the Lauraceae and Burseraceae families. They swallow the fruits whole and later disperse the seeds through defecation after digestion.

#### **Seed Dispersal and Ecological Impact**

Oilbirds play a crucial role in [seed dispersal](/en/detay/bird-flight-f0e88/llms.txt) within tropical forests. By traveling long distances at night to consume fruit, they transport seeds to different regions. This behavior is critical for forest regeneration and the preservation of plant diversity.

#### **Reproduction and Social Behavior**

Oilbirds breed in large colonies within caves. Females typically lay 1–2 eggs, and the incubation period lasts about 30–35 days. Chicks are fed by their parents for approximately 120 days. Colony life fosters a socially interactive environment.

<!-- CONTEXT: Academic Sources and References for "Oilbird (Steatornis caripensis)" -->

## Academic Sources and References

1. Cárdenas, S., Echeverry‐Galvis, M. Á., & Stevenson, P. R. (2021). Seed dispersal effectiveness by oilbirds (Steatornis caripensis) in the Southern Andes of Colombia. Biotropica, 53(2), 671–680. Accessed May 24, 2025. https://doi.org/10.1111/btp.12908.
2. Holland, R. A., Wikelski, M., Kümmeth, F., & Bosque, C. (2009). The Secret Life of Oilbirds: New Insights into the Movement Ecology of a Unique Avian Frugivore. PLoS ONE, 4(12), e8264. Accessed May 24, 2025. https://doi.org/10.1371/journal.pone.0008264.
3. Martin, Graham R., Luz Marina Rojas, Yleana Ramírez, and Raymond McNeil. "The Eyes of Oilbirds (Steatornis caripensis): Pushing at the Limits of Sensitivity." Naturwissenschaften 91, no. 1 (2004): 26–29. Accessed May 24, 2025. https://link.springer.com/article/10.1007/s00114-003-0495-3.
4. Suthers, R. A., & Hector, D. H. (1985). The physiology of vocalization by the echolocating oilbird,Steatornis caripensis. Journal of Comparative Physiology A, 156(2), 243–266. Accessed May 24, 2025. https://doi.org/10.1007/bf00610867.