Harrier (bird)
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- Madagascar Harrier-Hawk – Polyboroides Radiatus
- Circus Cyaneus (Northern Harrier)
- List of Gulls Part 2 with References
- Antipredator Behavior in Troops of Free-Ranging Lemur Catta at Beza Mahafaly Special Reserve, Madagascar
- Accipitridae the KITES, EAGLES, HAWKS, and HARRIERS
- Raptors Are Birds of Prey. These Amazing Animals Have Large Eyes
- Harrier, Northern
- Interaction Between the White-Tailed Eagle and Common Buzzard Estimated by Diet Analysis and Brood Defence Behaviour
- Montagu's Harrier Circus Pygargus
- Northern Harrier
- May 2016 (539
- Bird Identification Guide: Hawks
- Louisiana BIRDSOFPREY
- Raptor Booklet
- Silhouettes of Birds of Prey in Flight
- Term Changes of Raptor Populations in Northern Cameroon
- Northern Harrier March 2018
- African Raptor Species List