Bulgaria has so far properly classified 72% of the zone as a special protection area but this action does not cover significant parts of the habitats of 17 endangered bird species, including the black woodpecker, the white-backed woodpecker, the Eurasian pygmy owl
, and Tengmalm's owl, according to the Commission.
Other owls live and hunt mostly in the forest: the pygmy owl
(Glaucidium passerinum), the Tengmalm's owl (Aegolius funereus), the Ural owl (Strix uralensis), the great gray owl (Strix nebulosa) and the hawk owl (Sturnia ulula).
I called vocally or played tapes of Northern Pygmy Owl
(Glaucidium gnoma), Northern Saw-whet Owl (Aegolius acadicus), Western Screech-Owl, Barred Owl, Barn Owl (Tyto alba), and Great Homed Owl (Bubo virginianus) at each habitat- appropriate station and listened for responses for a total of at least 10 min.
In their study, the authors looked at the potential effects of the security wall on two species - the pygmy owl
and bighorn sheep.
The study focused on landowner responses to the threat of regulation of habitat for the Cactus Ferruginous pygmy owl
near Tucson, Ariz., and found evidence that the threat of ESA regulation accelerates the rate at which privately owned species habitat is developed.
We were able to gaze at more than 50 species from the humble barn owl, to the pygmy owl
, Turkme Eagle Owl and the glorious European Eagle Owl.
Add to this the pygmy owl
, Cuban green parrot and zapata wren, and you have enough to make a real birder's blood race.
Fish and Wildlife Service's (FWS) listing of the cactus ferruginous pygmy owl
under the Endangered Species Act was illegal, the FWS has proposed removing the bird from the endangered species list.
However, in one case, a really scary pygmy owl
rated 23 dees.
According to the Web site owling.com, the pygmy owl
is typically pretty sedentary.
Given the high overall ER, this finding suggests marked differences in species susceptibility to the virus, with species falling into one of three groups (for scientific names see Table 1): death rates >90% (Snowy Owl, Great Gray Owl, Northern Hawk Owl, Boreal Owl, and Northern Saw-whet Owl), death rates <20% (Long-eared Owl, Short-eared Owl, Great Horned Owl, Flammulated Owl, and Northern Pygmy Owl
), and death rates = 0% (Barn Owl, Burrowing Owl, and Eastern Screech Owl).