1997 No. 52 Part 1 - Bedfordshire Natural History Society
1997 No. 52 Part 1 - Bedfordshire Natural History Society
1997 No. 52 Part 1 - Bedfordshire Natural History Society
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<strong>Bedfordshire</strong> <strong>Natural</strong>ist for <strong>1997</strong>, <strong>No</strong>. <strong>52</strong> (part 1) (1998)<br />
Daubenton's Bat Myotis daubentonii (KuW, 1819)<br />
Confirmed records: 1 summer roost<br />
3 winter roosts<br />
2 sightings<br />
Unconfirmed records: 6 sightings<br />
Summer roost: '<br />
<strong>No</strong>ne ofthe roosts known at Stockgrove Country Park were active during <strong>1997</strong>.The<br />
only active roost recorded was in OldWarden Tunnel.This was confirmed when three<br />
bats were mist-netted by Tony Aldhous (under licence from English Nature) on 26<br />
September as they emerged from the tunnel entrance. One ofthe bats was male, the<br />
other two female, one ofwhich had a chin spot indicating that it was probably born in<br />
<strong>1997</strong>.<br />
Winter roosts:<br />
Hibernating Daubenton's bats were found inJanuary, February and December. Old<br />
Warden Tunnel, Silsoe ice-house andWoburn rockery tunnel were the sites used by<br />
this species. Five bats were found in OldWardenTunnel during December, but the<br />
other records were for only one bat.<br />
Other records:<br />
Daubenton's bats were mist-netted by Tony Aldhous (under licence from English<br />
Nature) at Chicksands Base. A female was caught on 29 April, and three females were<br />
caught on 30 May. On 6 August a juvenile Daubenton's bat was found grounded in the<br />
centre ofBedford. After a few days in captivity the bat was released along the river in<br />
Bedford. Unconfirmed Daubenton's bats were reported flying over water at Strawberry<br />
Hill Farm in Knotting Green, Ickwell Bury, Sharnbrook Manor, Stockgrove Country<br />
Park, Rushmere House near Stockgrove, and Ampthill Park.<br />
N atterer's Bat Myotis nattereri (KuW, 1818)<br />
Confirmed records: 8 winter roosts<br />
2 sightings<br />
Unconfirmed records: 2 sightings<br />
Winter roosts:<br />
Hibernating Natterer's bats were identified in Silsoe ice-house,Woburn ice-house,<br />
Woburn rockery tunnel, Linslade wine-cellar, Barton lime-kiln tunnel, Southill icehouse,<br />
Moggerhanger ice-house and OldWarden Tunnel.They were seen hibernating<br />
inJanuary, February and December.The maximum number seen together was 11 in<br />
OldWarden Tunnel. Silsoe, Southill andWoburn ice-houses all held good numbers.<br />
Although this species is uncommonly found in the summer, it is the commonest<br />
species recorded in the winter.<br />
Other records:<br />
A pregnant female Natterer's bat was caught by a cat in Ampthill on 6 July. The baby<br />
was still-born and the adult died later.·On 20 July a juvenile was found dead atnThe<br />
OldVicarage in Southill. Unconfirmed bats were located flying over the lake at Ickwell<br />
Bury, and flying in a Dutch barn at Strawberry H;ill Farm in Knotting Green.<br />
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