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Here's what happened at previous Bat Group meetings

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Written by Dave Anderson   
Thursday, 18 June 2009 14:00

Pipistrelle Colony Count, Inn at Whitewell

 

After an unsuccessful attempt at a Lesser Horseshoe Survey on the 10th June. we returned on Wednesday the 17th to carry out a colony count on the roost we'd noticed on the way out of the pub.

First bats started emerging at 8.57 and by 22.40 we'd counted 621 out. The roost contains both Common and Soprano Pipistrelles.

http://www.youtube.com/watch?v=KO9OF4p-8_M
A video of part of the emergence with sound input from a bat detector
Last Updated on Thursday, 18 June 2009 14:33
 
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Written by Dave Anderson   
Monday, 16 March 2009 10:17

Bat Group meeting 7th March 2009 - Bat box making at Towneley

 A successful day was held at Offshoots Permaculture Project with over 60 people attending and taking part in Bat box building. 15 standard boxes were built, covered and positioned in Towneley's bird reserve and we'll be checking the boxes in autumn to see how successful they have been.

 Plenty of bat boxes being made

We also made the most of locally felled and planked timber to create 6 crevice boxes using Kent Bat Groups crevice box plan as a base for the design. These boxes look more attractive to crevice roosting species and it's going to beintersting to see how take up of these boxes compares with that of the standard boxes..

 

 

 

 

Last Updated on Tuesday, 17 March 2009 17:10
 
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Written by Dave Anderson   
Monday, 22 December 2008 14:35

Hibernation Surveys 2009 - Bats Underground Project

We've been busy identifying sites for hibernation surveys this winter and have turned up a suprising number of caves, mines and tunnels that need checking out.

A good start to the season was the discovery of a hibernating Lesser Horseshoe bat but good numbers of both Natterer's and Brown Long Eared bats have also been recorded.

Work will carry on in January with more visits.

 

 

Brown Long Eared bat wedged in cave crevice

 

Hibernating Brown Long Eared bat hanging from cave wall

 

Bat group members using a  thermal imaging camera to measure body temperature of hibernating bats.

Thermal image of hibernating Brown Long eared bat note body temperature of 5.9c

 

Access to some of the caves is difficult........

 

Last Updated on Tuesday, 23 December 2008 21:31
 
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Written by Dave Anderson   
Thursday, 04 September 2008 12:49

 

Grove Lane Plantation - Wednesday 3rd September

Grove Lane saw more new members coming out for the chance to learn a bit about bat surveys and use of bat detectors.

A couple of early Common Pipistrelles commuting down the lane gave some hope of a decent night despite the dire forecast. As it turned out the majority of activity was Common Pipistrelles foraging under tree cover with the odd 50khz call to add confusion. As we headed down to the River Calder some Soprano Pipistrelles and plenty of social calls were recorded too.

I'd had high hope of picking up Leisler's given Grove Lanes proximity to our survey site the previous week but nothing but Pipistrelles could be heard, the cold and wet weather was probably a factor here.

Trawling through recordings the next morning it turns out I recorded one Noctule pass but judging by the faintness of the call it was obviously some distance off.

Last Updated on Tuesday, 18 November 2008 15:44
 
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Written by Dave Anderson   
Thursday, 04 September 2008 12:38

 

Memorial Park - Wednesday 27th Meeting

Another good evening of surveying.

A small group met at Padiham Leisure Centre and spent time looking at obvious roost signs before heading into Memorial Park to record bat activity.

Plenty of Common Pipistrelles with a possible emergence from the nursing home. One Brown Long Eared was observed hunting under the trees above the air raid shelter, the early time suggesting a possible roost in the shelter itself

Once down by the River Calder plenty of Common  Pipistrelle activity was recorded with the addition of foraging Noctules. And then came the suprise. A lone Leisler's foraging, this is the first confirmed record of this bat in the East Lancs area. There is one historic record of a injured Leisler's being found in a factory roughly 500 metres away from where we were recording, so it is looking like there's a roost in the area which will be worth pinpointing

We'll be revisiting the area to get more records in the future.

Last Updated on Tuesday, 18 November 2008 15:46
 
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