1. North American Owl Identification Guide
NORTHERN HAWK OWL (Surnia ulula) FIELD MARKS: Round-headed, although head somewhat rectangular. The eyes and bill are yellow, eyebrows white, and forehead ...
http://www.owlinstitute.org/owls/nhawk.html http://www.owlinstitute.org/owls/nhawk.html [ Entireweb, , ]

2. Northern Hawk Owl
The Northern Hawk Owl is smaller than a crow 15-17" (38 - 43 cm) Its wingspan is 33" (84 cm). This owl has a long rounded tail and flies during the
http://aviary.owls.com/hawk_owl/hawk_owl.html http://aviary.owls.com/hawk_owl/hawk_owl.html

3. Nature of New England - Northern Hawk Owl
Offers a photo of this bird, a range map, and facts about its diet and habitat.
http://www.nenature.com/NorthernHawkOwl.htm http://www.nenature.com/NorthernHawkOwl.htm

4. Northern Hawk Owl
... ..
http://www.mbr-pwrc.usgs.gov/id/framlst/i3770id.html http://www.mbr-pwrc.usgs.gov/id/framlst/i3770id.html

5. Northern Hawk Owl - Surnia ulula
Home > Northern Hawk Owl Interior links Connections to the best of our site Directory of C. American Owls Directory of N. American Owls Northern Hawk Owl A Reference for North and ...
http://www.owling.com/Northern_Hawk.htm http://www.owling.com/Northern_Hawk.htm

6. Northern Hawk Owl Biology
...... for the Northern Hawk Owl are most often in enlarged Northern Flicker ... Other Common Names: Hawk Owl; American Hawk Owl; Hudsonian Hawk Owl; ... ..
http://www.owling.com/N-Hawk_nh.htm http://www.owling.com/N-Hawk_nh.htm

7. Owls - Number of Eggs and Incubation and Fledging Times of Wild Birds
Find out the normal number of eggs that are laid by Owls, how long those eggs are incubated by the parents, and how long until the youngsters fledge (leave the nest) and begin life on their own.
http://birding.about.com/library/weekly/aa080100c.htm http://birding.about.com/library/weekly/aa080100c.htm [ About.com ]

8. Northern Hawk Owl Biology
Northern Hawk Owl Biology A Reference for North and Central American Owls Northern Hawk Owl - Surnia ulula...
http://owling.com/N-Hawk_nh.htm http://owling.com/N-Hawk_nh.htm

9. Bird Banding Abbreviations - Letters M - N - North American 4 Letter C
Bird Banding Abbreviations - Letters M - N - North American 4 Letter Codes to Identify Birds
http://birding.about.com/library/weekly/aa011601j.htm http://birding.about.com/library/weekly/aa011601j.htm [ About.com ]

10. Northern Hawk Owl - Surnia ulula
Beautiful photos, excellent sound recordings and information for the Northern Hawk Owl. This page also links to its range map, biology and natural...
http://owling.com/Northern_Hawk.htm http://owling.com/Northern_Hawk.htm

11. Virtual Field Guide
Birding Poll Directory.
http://birding.about.com/library/bl-fg-n-family.htm http://birding.about.com/library/bl-fg-n-family.htm [ About.com ]

12. Northern Hawk Owl description
...... Northern Hawk Owl is the only owl (except for the Pygmy Owl) with a ... Northern Hawk Owls were never detected during nightly owl surveys in ... ..
http://www.nps.gov/yuch/Expanded/key_resources/birds/species_descriptions/noho_description.htm http://www.nps.gov/yuch/Expanded/key_resources/birds/species_desc

13. Northern Hawk Owl - Denali Bird Watch
An adult northern hawk owl takes flight from the top of a spruce tree in Denali National Park and Preserve.
http://www.nps.gov/dena/home/resources/wildlife/birdweb/index/birdwatchNHO.htm http://www.nps.gov/dena/home/resources/wildlife/birdweb/index/bir

14. Northern Hawk Owl: Wildlife Notebook Series - Alaska Department of Fis
...Northern Hawk Owl. The northern hawk owl (Surnia ulula) is a fairly ... and swift flight appear hawk-like. The northern hawk owl is usually ... ..
http://www.adfg.state.ak.us/pubs/notebook/bird/hawkowl.php http://www.adfg.state.ak.us/pubs/notebook/bird/hawkowl.php

15. Northern Hawk Owl
...owl has also been called the Hudsonian Owl, American Hawk Owl, Canadian Hawk Owl, and Day Owl. INTERESTING FACTS: Northern Hawk Owls have...
http://www.peregrinefund.org/explore%5Fraptors/owls/nhawkowl.html http://www.peregrinefund.org/explore%5Fraptors/owls/nhawkowl.html