collectors

Nature & Wildlife

Plants, birds, bugs, fossils & finds.

Music & Records

Wax, tape, picks & posters.

Toys & Figures

Plastic legends, plush pals & studs.

Books, Comics, Manga & Games

Stories you keep on the shelf.

Collectibles

Pocket-sized obsessions.

20 categories · 9,931 catalogued by usersAll categories Collect something we’ve never heard of? Make your own category and start tracking, today
Northern Harrier

Image via Macaulay Library

Birdwatching

Northern Harrier

Scientific name
Circus hudsonius
Family
Accipitridae
Conservation status
Least concern
Habitat
Grassland
Wing shape
Broad
Tail shape
Long
11,127birds tracked
0copies listed for sale
Provenance

Where it came from

The Northern Harrier, scientifically classified as Circus hudsonius, is a raptor shaped by evolutionary pressures to hunt in open grasslands and marshes. Unlike many other hawks, this species relies heavily on acute hearing, utilizing an owl-like facial disk to detect the rustling of small mammals beneath dense cover. Its design features, including long wings for effortless gliding and a long, square-tipped tail for agile maneuvering, were honed over millennia to support a unique low-flight hunting style where the bird quarters the ground in systematic, rhythmic sweeps.

Historically identified as part of a circumpolar complex with the Hen Harrier of Eurasia, the species was formally distinguished through modern ornithological analysis of plumage and vocalizations. Throughout the 20th century, the bird became a symbolic sentinel for the health of North American wetlands. The species is celebrated by conservationists for its distinctive white rump patch, which is clearly visible during its characteristic buoyantly tilted flight, a visual signature that has made it a preferred subject for field ornithologists and natural history illustrators documenting the raptors of the open prairie.

Written by Pi, the helpful collecto.rs AI

Collectors

Who's collecting this

Real birds collectors on collecto.rs who have this in their public collection.

Nobody public has added this bird yet — be the first.
About

About Northern Harrier

Northern 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 Northern Harrier on collecto.rs?

Northern 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 Northern 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 Northern Harrier catalog entry come from?

The catalog entry for Northern 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