Earth Notes: Bats Around our Home aka 16WW (2026)
Updated 2026-07-29 10:48 GMT.By Damon Hart-Davis
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: Too Cold
At Z no bats seen downstream at Villiers Road bridge over the Hogsmill; 8°C. Sunset Z.
: Back!
At Z three bats seen downstream and one upstream at Villiers Road bridge over the Hogsmill; 10°C. Plenty of midges. Sunset Z.
Informally this was the first sighting of bats here by me this calendar year, so I will start regular sampling for this year, and this became a formal sample. (I feel slightly twitchy that retaining this sample may be biasing results.)
: In Company
I was this evening explaining my bat data sampling to a bemused friend with me!
At Z two bats seen downstream and one upstream at Villiers Road bridge over the Hogsmill; 12°C. A few midges. Sunset Z.
: Present Late
At Z three bats seen downstream and one upstream at Villiers Road bridge over the Hogsmill; 10°C. Sunset Z.
: Lone
At Z one bat seen downstream and one upstream (quite likely the same one) at Villiers Road bridge over the Hogsmill; 10°C. Sunset Z.
: None
At Z no bats seen downstream or upstream at Villiers Road bridge over the Hogsmill; 25°C. Lots of midges and larger insects. Sunset Z.
: One
At Z 1 bat seen downstream and none upstream at Villiers Road bridge over the Hogsmill; 17°C. Sunset Z.
: None
At Z no bats seen downstream or upstream at Villiers Road bridge over the Hogsmill; 21°C. Sunset Z.
: 16WW Two
At Z a couple of bats seen above the back garden at 16WW; 26°C. Sunset Z.
: One
At Z 1 bat seen downstream and none upstream at Villiers Road bridge over the Hogsmill; 20°C. Sunset Z.
: Too Light
At Z no bats seen downstream or upstream at Villiers Road bridge over the Hogsmill; 21°C. Sunset Z.
: Too Light
At Z no bats seen downstream or upstream at Villiers Road bridge over the Hogsmill; 18°C. Sunset Z.
: One
At Z 1 bat seen downstream and none upstream at Villiers Road bridge over the Hogsmill; 21°C. Sunset Z.