Short-tailed Hawk

Buteo brachyurus

Order: Accipitriformes / Family: Accipitridae

black brown white medium raptor forest tropical year-round migratory common widespread agile

About the Short-tailed Hawk

The Short-tailed Hawk (Buteo brachyurus) thrives primarily in the tropical and subtropical regions of the Americas, exhibiting a preference for forested areas, especially those that border open spaces. This medium-sized raptor displays a remarkable adaptability to various habitats, from dense rainforests to more open savannas and woodlands. The species is significant within its ecosystem, acting as a crucial predator of smaller birds and mammals, thereby helping to maintain balanced populations of these species. This hawk's ecological role extends to its interactions with larger raptors and scavengers, as it often competes with them for food sources.

The Short-tailed Hawk is most often associated with Central and South America, although its range does extend into the southern United States, particularly Florida. In these regions, it is known to inhabit both lowland and montane forests. During the breeding season, which typically occurs in late winter to early spring, this hawk can be observed engaging in dramatic aerial displays as part of its courtship rituals. These displays are not only fascinating to observe but also play a critical role in mate selection and territorial establishment.

Seasonal behaviors of the Short-tailed Hawk include migration in some populations, particularly those residing at the northernmost edges of the species' range. While many individuals are resident throughout the year, those in less temperate zones may move to warmer areas during colder months. This adaptability to seasonal changes further underscores the hawk's ecological versatility. The Short-tailed Hawk's role as a top predator in its habitat underscores its importance in maintaining the balance of its ecosystem, impacting the populations of its prey species and influencing the dynamics of its local environment.

The Short-tailed Hawk belongs to the family Accipitridae, within the order Accipitriformes. These birds typically live average lifespan is around 12 years, with a maximum recorded of 20 years..

How to Identify a Short-tailed Hawk

The Short-tailed Hawk presents a compact, stocky body with broad wings and a short tail, as its name suggests. This raptor features two distinct color morphs: a dark morph, where adults have uniformly dark brown to black plumage, and a light morph, characterized by a white underbody with contrasting dark flight feathers. Juveniles resemble their respective morphs but tend to have a more mottled appearance with less distinct coloring.

The sexes appear similar, making differentiation between male and female Short-tailed Hawks challenging in the field. However, females are generally larger, although size difference is subtle. In flight, this hawk's silhouette is distinctive due to its short tail and broad wings, which are held flat or slightly raised while soaring. The flight pattern is buoyant and agile, allowing it to maneuver expertly through forest canopies and open skies.

In comparison to similar species, such as the Broad-winged Hawk, the Short-tailed Hawk can be distinguished by its shorter tail and the marked variability in plumage between its morphs. When perched, the Short-tailed Hawk appears robust with a confident posture, often choosing high vantage points at forest edges or clearings to survey its surroundings.

Having trouble telling birds apart? Upload a photo to our bird identification tool for an instant species match.

Short-tailed Hawk Habitat and Range

Preferred Habitat

The Short-tailed Hawk is primarily found in tropical and subtropical forests, with a preference for habitats that offer a mix of forest cover and open areas for hunting. These habitats include montane forests, savannas, and edges of rainforests. In the United States, particularly in Florida, it inhabits pine flatwoods and cypress swamps. This hawk typically favors elevations from sea level up to 3000 meters, often adapting to varying altitudes across its range.

Seasonal habitat shifts are observed in populations that migrate, moving from higher elevations or more temperate zones to warmer areas during winter months. While it is less common in urban settings, the Short-tailed Hawk may occasionally be spotted in suburban areas bordering natural habitats, where it can utilize tall trees and open spaces for hunting.

The adaptability of this raptor to different forest types and elevations highlights its ecological flexibility, allowing it to exploit a wide range of environments across its extensive range.

Geographic Range

The breeding range of the Short-tailed Hawk extends from the southern United States, particularly Florida, through Mexico and Central America, reaching into South America as far as Argentina. In Florida, it is considered a resident species, while populations in other regions may consist of both resident and migratory individuals.

Wintering ranges overlap significantly with breeding areas, although some hawks may shift slightly southward or to lower elevations during colder months. Migration corridors are not well defined, as many individuals remain resident; however, some movement is noted in northern and higher elevation populations.

Population density hotspots for the Short-tailed Hawk are often found within well-preserved forested areas, such as national parks and reserves throughout their range. These areas provide the necessary habitat and prey availability that support their populations. While the hawk is not as widespread as some other raptors, it is relatively common within its preferred habitats.

Want to know which birds visit your area? Browse our backyard birds by location guides for region-specific species lists.

What Does the Short-tailed Hawk Eat?

The diet of the Short-tailed Hawk primarily consists of small birds, which it hunts with remarkable agility. During the breeding season, when the need for food is highest, this hawk's reliance on avian prey increases significantly. It employs a specialized hunting technique, soaring high above the tree canopy and then executing rapid stoops to capture unsuspecting birds in flight.

Secondary food sources include small mammals, reptiles, and large insects, which provide dietary variety and flexibility. Seasonal changes can influence dietary composition, with some shifts noted in areas where prey availability fluctuates throughout the year. In tropical regions, where this hawk is most often found, an abundance of year-round prey allows for a relatively stable diet.

The Short-tailed Hawk's adept hunting skills are particularly evident in its ability to snatch prey mid-air, a technique that distinguishes it from many other raptors. This ability is crucial during the early morning and late afternoon, when it is most actively hunting.

Short-tailed Hawk Behavior and Social Structure

The Short-tailed Hawk exhibits a solitary and territorial demeanor, often seen alone or in pairs, particularly during the breeding season. Territorial behavior is pronounced, with pairs defending their nesting area from intruders and rival hawks. Courtship displays are a notable aspect of their behavior, involving soaring flights and diving maneuvers that demonstrate agility and fitness to potential mates.

While not known for flocking, the Short-tailed Hawk may occasionally be observed in loose associations with other raptors during migration or in areas with abundant food resources. Its response to predators is typically defensive, utilizing its flight skills to evade or confront threats.

Daily activity patterns of the Short-tailed Hawk include periods of soaring and hunting interspersed with rest and observation from high perches. These hawks are diurnal, with peak activity occurring during the cooler hours of early morning and late afternoon, which coincide with times of high prey activity.

Short-tailed Hawk Nesting and Reproduction

The Short-tailed Hawk constructs its nest high in the canopy of tall trees, often choosing sites that provide a clear view and proximity to hunting grounds. Nests are built from sticks and lined with softer materials such as leaves and grass. These structures are typically reused and refurbished each year, demonstrating the species' tendency for site fidelity.

A typical clutch consists of 1 to 3 eggs, with the incubation period lasting around 28 to 32 days. Both parents participate in incubation, although the female often takes the primary role. After hatching, the young remain in the nest for approximately 5 to 7 weeks before fledging.

Parental roles are clearly defined, with both adults sharing in feeding and protecting the chicks. The Short-tailed Hawk usually raises a single brood per year, although in areas with abundant food and favorable conditions, a second brood may occasionally be attempted.

Short-tailed Hawk Sounds and Vocalizations

The vocalizations of the Short-tailed Hawk are less prominent than those of some other raptors, but they include distinctive call notes and alarm calls. The primary call is a high-pitched, whistling 'kee-eee' sound, often repeated during flight or when the bird is perched. This call is clear and piercing, serving as both a communication tool and a territorial signal.

Alarm calls are sharper and more rapid, often triggered by the presence of intruders or potential threats near the nest. During the dawn chorus, these hawks are generally less vocal, as their primary focus is on hunting and territorial surveillance rather than singing.

The calls of the Short-tailed Hawk can sometimes be confused with those of other raptors, but their tone and context usually provide clues to the experienced birder.

Interesting Facts About the Short-tailed Hawk

1The Short-tailed Hawk is one of only a few hawk species with distinct light and dark morphs, adding to its identification challenge.
2Unlike many raptors, the Short-tailed Hawk often hunts in mid-air, demonstrating impressive aerial agility.
3In Florida, the Short-tailed Hawk is one of the few raptors to breed, thanks to its adaptability to both wet and dry seasons.
4The species can be found at elevations ranging from sea level to 3000 meters, showcasing its wide habitat tolerance.
5Though primarily a solitary bird, the Short-tailed Hawk will occasionally join mixed-species foraging groups during migration.
6The Short-tailed Hawk's nest is often reused each year, with pairs enhancing the structure with new materials.
7Despite its tropical preference, the Short-tailed Hawk has adapted to both humid and dry forest environments.

Short-tailed Hawk Conservation Status

Currently, the Short-tailed Hawk is classified as a species of Least Concern by the IUCN, with stable population trends in most regions. However, habitat loss due to deforestation and land conversion poses a significant threat to local populations, particularly in areas where forested habitats are declining. Conservation efforts focus on preserving critical habitats, especially in national parks and reserves where these hawks are known to breed. Historical population data indicate that while some regional declines have occurred, overall numbers have remained relatively stable, thanks in part to conservation initiatives. Continued monitoring and protection of key habitats are essential to ensure the long-term survival of the Short-tailed Hawk, along with education and awareness programs to mitigate human-wildlife conflict.