Vilniaus universiteto Ekologijos institutas. – Vilnius : Vilniaus universiteto Ekologijos institutas. Mečislovas Žalakevičius, Irena Žalakevičienė. 2009.
Circus ranivorus — Busard grenouillard Circus ranivorus … Wikipédia en Français
Circus (genre) — Busard Busards … Wikipédia en Français
Circus (género) — Para otros usos de este término, véase Circus. Circus … Wikipedia Español
Circus (genus) — Taxobox name = Circus image caption = Montagu s Harrier regnum = Animalia phylum = Chordata classis = Aves ordo = Falconiformes familia = Accipitridae subfamilia = Circinae genus = Circus genus authority = Lacepede, 1799 subdivision ranks =… … Wikipedia
Busard grenouillard — Circus ranivorus Circus … Wikipédia en Français
Froschweihe — (Circus ranivorus)[1] Systematik Klasse: Vögel (Aves) … Deutsch Wikipedia
African Marsh Harrier — Conservation status Least Concern ( … Wikipedia
Marsh harrier — Taxobox name = Marsh harriers status = LC | status system = IUCN3.1 image width = 200px image caption = Western Marsh Harriers regnum = Animalia phylum = Chordata classis = Aves ordo = Falconiformes familia = Accipitridae genus = Circus… … Wikipedia
Marsh Harrier — Marsh harriers Western Marsh Harriers Scientific classification Kingdom: Animalia … Wikipedia
Accipitridé — Accipitridae Accipitridés … Wikipédia en Français
