. Between-year movements and nest burrow use by burrowing owls in southwestern Idaho 1996 annual report. Burrowing owl; Burrowing owl; Burrowing owl; Bird populations; Burrowing owl. ground level. angle of interest (deviation from horizontal) nest burrow tunnel b) Kuna Butte Study Area nest burrows unused burrows ?0 degrees 50 20 degrees J I L •«: •:: — • m Grand View Study Area nest burrows unused burrows 20 de9reeS 50 20 de9reeS 50 •:• :*•••: 8 ° i 8°° i • 0 0 Figure 3. (a) Illustration depicting tunnel entrance angle and its measurement, (b) distribution and mean (*) of tunnel angles for us
. Between-year movements and nest burrow use by burrowing owls in southwestern Idaho 1996 annual report. Burrowing owl; Burrowing owl; Burrowing owl; Bird populations; Burrowing owl. ground level. angle of interest (deviation from horizontal) nest burrow tunnel b) Kuna Butte Study Area nest burrows unused burrows ?0 degrees 50 20 degrees J I L •«: •:: — • m Grand View Study Area nest burrows unused burrows 20 de9reeS 50 20 de9reeS 50 •:• :*•••: 8 ° i 8°° i • 0 0 Figure 3. (a) Illustration depicting tunnel entrance angle and its measurement, (b) distribution and mean (*) of tunnel angles for used and unused burrows in the Kuna Butte study area, (c) distribution and mean (*) of tunnel angles for used and unused burrows in the Grand View study area. 17. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Belthoff, James R; King, R. Andrew; United States. Bureau of Land Management. Idaho State Office. Boise, Idaho : Idaho Bureau of Land Management
Size: 2479px × 1008px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookc, bookcentury1900, bookcollectionamericana, bookleafnumber22
