Bats Living Next to a Chimney

Our vertebrate specialist, David Adragna, took these photos of a bat exclusion in the space by a chimney. September 2016.

Click to enlarge.

At the top of the chimney.
At the top of the chimney.
At the top of the chimney.
At the top of the chimney.
Looking in.
Looking in.
Step one, blocking access from below.
Step one, blocking access from below.
One-way access installed. This lets the bats out, but getting back in is near impossible.
One-way access installed. This lets the bats out, but getting back in is nearly impossible.
Looking down from the bat's access area. Lots of bat poop has accumulated.
Looking down from the bat’s access area. Lots of bat poop has accumulated.
Looking up, more closely, to examine the exclusion and bat escape valves.
Looking up, more closely, to examine the exclusion and bat escape valves.
Guano all over the lower part of the chimney.
Guano all over the lower part of the chimney.
Guano all over the lower part of the chimney.
Guano all over the lower part of the chimney.
Guano all over the lower part of the chimney.
Guano all over the lower part of the chimney.
Guano all over the lower part of the chimney.
Guano all over the lower part of the chimney.
Blocking bat access on the other side of the chimney.
Blocking bat access on the other side of the chimney.
Blocking bat access on the other side of the chimney.
Blocking bat access on the other side of the chimney.