
Image via Macaulay Library
Reunion Harrier
- Scientific name
- Circus maillardi
- Family
- Accipitridae
- Conservation status
- Vulnerable
- Habitat
- Wetland marsh
- Wing shape
- Broad
- Tail shape
- Pointed
Where it came from
The Reunion Harrier, Circus maillardi, is a bird of prey endemic to the islands of Reunion and Mauritius in the Indian Ocean. It occupies a unique evolutionary niche, having diverged from its ancestors to adapt to the specific volcanic and mountainous terrain of the Mascarene archipelago. Historically, the species has been shaped by the island's isolated environment, leading to its status as a specialized predator that maintains the ecological balance of the high-altitude shrublands and ravines.
The species is characterized by its distinct physical profile, which serves as a vital identifier for ornithologists and conservationists. Its broad wings and pointed tail are specialized features that allow for the agile, low-altitude hunting maneuvers required to navigate the island's rugged, wind-swept geography. Scientific interest in the harrier centers on its resilience and behavior within a fragile island ecosystem, often highlighting the challenges posed by human encroachment and the introduction of invasive predators.
Written by Pi, the helpful collecto.rs AI
Who's collecting this
Real birds collectors on collecto.rs who have this in their public collection.
About Reunion Harrier
Reunion Harrier is a bird in the Birdwatching catalog on collecto.rs. Catalog data is sourced from eBird. No public birds collectors track this one yet — adding yours would make you the first on collecto.rs.
How many collectors track Reunion Harrier on collecto.rs?
Reunion Harrier doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.
Can I track my own copy of Reunion Harrier?
Yes. collecto.rs is free — sign up to log your bird, upload photos, record condition, edition, and acquisition cost, and connect with other birdwatching collectors. Your collection stays private by default.
Where does the Reunion Harrier catalog entry come from?
The catalog entry for Reunion Harrier is sourced from eBird. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.
Is collecto.rs birds tracking free?
Yes. Tracking your birds is free — no paid tier required to catalog items, upload photos, or share your collection.
Track every bird you own
Free. Fun. Collection photos, notes, organization, value tracking, friends — all in one place.
Sign up free








