Yellow-headed Caracara

Milvago chimachima

Mompox Bolivar Colombia

Quick Facts

  • Scientific Name: Milvago chimachima
  • Spanish Name: Chimachima
  • Family: Falconidae
  • Known Nicknames: Chimachima, Caracara chimachima
  • Average Length: 40–46 cm / 16–18 in
  • Average Weight: 277–335 g / 9.8–11.8 oz
  • Wingspan: 74–95 cm / 29–37 in
  • Key Feature: Pale buffy-yellow head and underparts with a distinct dark line behind the eye
  • Primary Diet: Omnivore (Scavenger, Insects, Small Vertebrates, and Ectoparasites)
  • Range: Central and South America from Costa Rica and Panama to Northern Argentina
  • Habitat: Open country, savannas, pastures, and agricultural land
  • Social Structure: Solitary or in pairs; occasionally found in small loose groups
  • Nesting/Breeding: Stick nests built in trees or palm crowns
  • Conservation Status: Least Concern (LC)
  • Population Trend: Increasing

The Yellow-headed Caracara (*Milvago chimachima*) is a striking and highly adaptable bird of prey that frequents the open savannas and pastures of Central and South America. Easily recognized by its creamy-buff head and underparts contrasted against dark brown wings, this raptor features a distinctive black streak behind each eye and vibrant yellow facial skin. Unlike many of its falcon relatives that hunt on the wing, the Yellow-headed Caracara is a resourceful generalist and scavenger, famously known for its mutualistic relationship with livestock; it is often seen perched on the backs of cattle, cleverly plucking away ticks and other parasites. Bold and vocal, this charismatic bird combines its keen intelligence with a wide-ranging diet to thrive in diverse environments, making it a common and fascinating fixture of the neotropical landscape.

Fun Facts

This clever opportunist is famous for its symbiotic relationship with livestock, frequently perching on the backs of cattle or horses to pick off ticks and parasites. Unlike many other birds of prey, it is an exceptionally versatile scavenger that will follow forest fires to snatch up fleeing insects or raid trash near human settlements. These vocal raptors are also known for their distinctive, rasping screams and their surprising agility on the ground, where they spend a significant amount of time strutting about in search of small prey, fruit, or carrion.

Habitats & Distribution

This species is widely distributed across Central and South America, with a range extending from eastern Costa Rica and Panama southward through Colombia and Venezuela to northern Argentina, Uruguay, and southern Brazil. It is primarily a bird of the lowlands, common throughout the tropical and subtropical regions, though it is generally absent from the high-altitude reaches of the Andes and the dense, unbroken interior of the Amazon rainforest. In terms of habitat, it thrives in open and semi-open landscapes, including savannas, pastures, agricultural fields, and marshes. It is exceptionally adaptable to human-altered environments and is frequently found near cattle ranches, along roadsides, and even within suburban areas. While it avoids deep forest, it often frequents forest edges and riverbanks where it can easily forage for a diverse range of food sources.

Behaviours & Reproduction

This versatile raptor is highly social and opportunistic, often observed in pairs or small groups, though it may congregate in larger numbers at abundant food sources. It displays a notable mutualistic relationship with livestock, frequently perching on the backs of cattle or horses to consume ticks and other parasites. Beyond scavenging and hunting small vertebrates, it is a persistent kleptoparasite, aggressively stealing food from other birds. Its bold nature and varied diet allow it to thrive in diverse environments, ranging from open savannas to urban centers. During the breeding season, monogamous pairs engage in aerial displays to maintain their bond. They typically construct bulky stick nests lined with softer materials, often situated high in palm trees or dense foliage. A clutch usually consists of one to two mottled eggs, which are incubated by both parents for approximately three to four weeks. Both adults share the responsibilities of brooding and feeding the chicks, which remain dependent on their parents for several weeks after fledging.

Diet

The Yellow-headed Caracara is a highly versatile and opportunistic omnivore with a diet that spans a wide range of food sources, reflecting its adaptability to various environments. While it frequently scavenges for carrion and roadkill, this bird is also an adept hunter that consumes insects, small reptiles, amphibians, and the eggs or nestlings of other birds. One of its most distinctive dietary behaviors is its symbiotic relationship with livestock; it is often observed perching on the backs of cattle or horses to pick off ticks and other parasites, a habit that provides an easy meal while cleaning the host. Beyond animal matter, it incorporates plant material into its diet, such as the fruit of oil palms, and is known to follow agricultural machinery or forest fires to snatch up displaced prey fleeing the disturbance. This dietary flexibility allows it to thrive in diverse landscapes, ranging from open savannas to urban edges.

Colors

The Yellow-headed Caracara features a creamy-white head, neck, and underparts contrasted by dark brown wings and back. A signature dark line extends behind each eye, and the tail displays fine, pale barring. While adults are starkly patterned for visibility in open habitats, juveniles are heavily streaked with brown, providing effective camouflage within scrub and grasslands.