8/7/2023 0 Comments Pa hawk sounds at nightcaparoch ( Müller, PLS, 1776) – northern North America ulula (Linnaeus, 1758) – northern Eurasia tianschanica Smallbones, 1906 – central Asia to northern China and northern Mongolia Ī molecular phylogenetic study of the owls published in 2019 found that the northern hawk-owl is sister to a clade containing the pygmy owls in the genus Glaucidium. The specific epithet ulula is Latin for a "screech owl". The genus name is of unknown etymology and may simply have been invented by Duméril. The type species was designated by George Robert Gray in 1840 as the northern hawk-owl. The owl is now the only species placed in the genus Surnia that was introduced in 1805 by André Duméril. The northern hawk-owl was formally described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his Systema Naturae under the binomial name Strix ulula. The species is sometimes called simply the hawk owl however, many species of owls in the genus Ninox are also called "hawk owls". This is the only living species in the genus Surnia of the family Strigidae, the "typical" owls (as opposed to barn owls, Tytonidae). It is one of the few owls that is neither nocturnal nor crepuscular, being active only during the day. It is non-migratory and usually stays within its breeding range, though it sometimes irrupts southward. Hawk Migration Association of North America – hmana.The northern hawk-owl or northern hawk owl ( Surnia ulula) is a medium-sized true owl of the northern latitudes. My Trip to Hawk Migration Watch at Hawk Mountain Raptor Migration What You Need to Know to Hawk Watch More Hawk Informationīirds of Prey Identification: the Best Field Guides Occasional northern migrants – Snowy Owl, Hawk Owl, and the Great Gray Owl. Eastern Screech Owl (resident in SE PA).Barred Owl (rare in SE PA found in west of Delaware Valley).“True” Owls (round or oval facial disks, may have ear tufts) Common Barn Owl (lives in PA/NJ – only barn owl in temperate zones).Great Horned Owl (courtesy USFWS/Dave Menke) The Nocturnal Birds of Prey – these birds hunt by nightīarn and Bay Owls (heart-shaped facial disk, no ear tufts, primarily tropical, only type of owl that can hunt in total darkness) Turkey Vulture (breeds in PA) – a very common birds in the Philadelphia area.NEW WORLD VULTURES (feeds primarily on carrion, rarely hunts live prey) Peregrine Falcon (winters and some residents in SE PA).Northern Harrier (winter resident in SE PA/breeds in PA).HARRIERS (only one species in North America) Osprey (breeds in PA) In 2010, I saw this bird fishing in the Schuylkill River near Bartram’s Garden.Red-tailed Hawk (resident in SE PA) – Red-Tails Hatch in Philadelphia.Red-shouldered Hawk (resident in SE PA).Hawks – there are two types of hawks in North America, accipiters and buteos Long The Diurnal Birds of Prey – these birds hunt by day And you can always see the resident raptors like Red-tailed Hawks and Turkey Vultures soaring in the sky on any given day, all year around.Ī Sharp-shinned Hawk perches on my garden fence. Many species spend the winter here with our newly mild winters. Migration season is not the only time to raptor watch. Of course this tactic applies to wherever you may live. So, in instead of learning 48 species you can learn the 26 in Southeastern Pennsylvania. That is not a bad number since there 30 species of hawks, eagles and falcons along with 18 species of owls in North America. In the Philadelphia area you can see 22 species of raptors and 4 migrants. This checklist is to help you identify hawks in the Philadelphia and Southeastern Pennsylvania and New Jersey region.Ī checklist narrows down the number of birds you have to learn to successfully hawk watch in your area. Many birds of prey call the Delaware Valley home. Bald Eagle (Haliaeetus leucocephalus) at Conowingo Dam
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