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Roadside Hawk
Hawks & Eagles · Resident

Roadside Hawk

Roadside Buzzard · Rupornis magnirostris

Least Concern33–41 cm · 250–300 g

By the Birdfact teamChecked byNathan Cope

This fierce but small raptor is a familiar sight across Latin American landscapes, where it perches confidently on roadside poles and fence posts to scan for prey.
On this page11 sections
  1. How to recognise it
  2. Its size
  3. Its song and calls
  4. When and where to see it
  5. What it eats
  6. Nesting and breeding
  7. Behaviour
  8. Conservation
  9. More photos
  10. Quick facts
  11. Sources

How to recognise it

The Roadside Hawk is a compact raptor with a brown back, grey head, and barred chest. Its short, rounded wings show a distinctive rufous patch in flight, and its relatively long tail helps it manoeuvre through forest edges and open woodlands.

Adults have bright yellow legs and a yellow cere, while juveniles display a more streaked appearance with buffy underparts. There is little variation between sexes, but individuals may show slight regional colour differences. Females are also up to 17% larger than males.

Its size

Adults
Length
33–41 cm
Wingspan
68–79 cm
Weight
250–300 g

Its song and calls

The Roadside Hawk's call is a distinctive, high-pitched whistle, often described as a repeated "peeeeeer" or "keeeeee." This vocalisation is frequently heard during territorial displays or when the bird is alarmed.

They may also produce a rapid series of sharp notes when agitated.

When and where to see it

The Roadside Hawk is not recorded regularly in the UK, Ireland, the United States or Canada.

United States: recorded in 2 of the 6 years. Too few years to count as a regular visitor.

Worldwide: recorded regularly in 20 countries

Countries where it was recorded in at least 3 of the 6 years 2019–2024. Linked countries have their own bird list.

North America (8)
South America (12)

Tips for seeing it

  • Look for them perched on utility poles or fence posts along rural roads
  • Listen for their distinctive high-pitched whistle, often given in a series
  • Observe their hunting behaviour in open areas adjacent to forests
  • Note their smaller size compared to other hawks in their range

What it eats

Roadside Hawks are opportunistic predators that feed on a variety of small animals. Their diet includes rodents, lizards, snakes, large insects, and occasionally small birds.

They often hunt from perches, diving down to capture prey on the ground.

Nesting and breeding

Breeding season for Roadside Hawks varies by region but typically occurs during the dry season. Pairs engage in aerial displays and vocalisations as part of courtship rituals.

Nests are constructed of sticks and lined with green leaves, usually placed in the fork of a tree 5-15 meters above ground. The female lays 1-3 white eggs with brown spots.

Incubation lasts about 33 days, primarily by the female. Chicks fledge after 5-6 weeks but may remain dependent on parents for several more weeks.

Behaviour

Roadside Hawks are often seen perched on exposed branches or poles along roadsides, hence their name. They hunt using a sit-and-wait strategy, swooping down on prey from their vantage points.

These hawks are generally solitary but may form monogamous pairs during breeding season.

Conservation

The Roadside Hawk is listed as Least Concern by the IUCN due to its large range and stable population. However, habitat loss in some areas may affect local populations.

Conservation efforts focus on preserving diverse habitats across its range.

More photos

7 photos

Quick facts

Length
33–41 cm
Wingspan
68–79 cm
Weight
250–300 g
Lifespan
10–15 years
Migration
Resident
Global status (IUCN)
Least Concern
World population
5,000,000 - 50,000,000 mature individuals
Population trend
Increasing
Also called
Roadside Buzzard
Scientific name
Rupornis magnirostris

Sources

4
  1. 1Estimated lifespan based on similar species
  2. 2BirdLife International. 2020. Rupornis magnirostris. The IUCN Red List of Threatened Species 2020: e.T22695880A168800737. https://dx.doi.org/10.2305/IUCN.UK.2020-3.RLTS.T22695880A168800737.en. Source (opens in a new tab)
  3. 3Partners in Flight (2019)
  4. 4Partners in Flight (2019)
Spotted a mistake?Tell usHow we write and checkBy the Birdfact team · Updated

Checked by

Nathan Cope, founder and editor

Nathan founded Birdfact and leads its writers and contributors in the UK, the US and Canada. He has watched and studied birds for more than ten years, and checks every article and species guide before it’s published.

How we write and checkAbout Nathan