Saturday, September 3, 2016

aerial insectivores, continued



See more on our continuing emphasis on the aerial insectivores, the bird species that feed on insects while in flight:

WGLBBO Aerial Insectivore page: http://wglbbo.org/aerial-insectivores/114-the-decline-of-aerial-insectivores

The Wisconsin Chimney Swift Working Group website:  http://www.wiswifts.org/

The WBCI Nightjar Survey: http://wiatri.net/projects/birdroutes/nightjars.htm

The ABC Nighthawk page:  https://abcbirds.org/bird/common-nighthawk/

Wednesday, August 24, 2016

Bank Swallow - how things have changed

Over the past 3 decades, Bank Swallow populations have declined in many areas, and some geographic areas have indeed seen dramatic declines. In several provinces in Canada, the species has declined by 90%, but declines are underway in the United States also. Here in WI, the contrast in the map from Atlas 1, to the current map (with only 2 years of atlas observations) clearly shows some change is occurring statewide:

Learn more about this species, at these links:
https://www.ontario.ca/page/recovery-strategy-bank-swallow
 http://www.pointblue.org/our-science-and-services/conservation-science/threatened-species/bank-swallow/

Monday, August 15, 2016

Aerial Insectivores in the Midwest

We have a re-named Facebook Group (now a Discussion Group) devoted to Aerial Insectivores, at https://www.facebook.com/groups/1581381955435390/

Go to this Facebook group to learn more about the status of swifts and swallows, and other avian aerial insectivores - or join the group!
Ph by Francesco Veronesi, Wikim. Commons