Acer Ecology recently carried out bat activity and breeding bird surveys at a large site that was proposed for development in Wiltshire.

The site contained numerous mature broadleaved trees and several hedgerows. The mosaic of habitats meant that a good number of common bird species were recorded across the site. Identifying exactly which species were present meant that we were able to recommend appropriate measures to avoid adverse impacts to the birds, while enhancing other areas of the site and working alongside our client’s architect to guide the project smoothly through the planning process, whilst avoiding illegal impacts to nesting birds. A variety of bat species were also recorded on the site. We developed a mitigation strategy to ensure the long-term ecological integrity of that bat roost features and associated linear features.


Nearly all birds, their nests and eggs are protected under UK law and some especially rare species are given enhanced protection from disturbance during the breeding season.

We have the capacity to undertake a wide range of bird surveys, including Barn Owl, Vantage Point Survey for Wind Turbine Developments, Breeding Bird Surveys, Winter Bird Surveys, Wetland Bird Survey (WeBS), Common Bird Census (CBC) surveys, Moorland Surveys using the ‘Brown and Shepherd’ methodology and species specific surveys.

Almost all development sites have the potential to support nesting birds and this can impose seasonal constraints on site clearance. It is therefore vital to identify the potential presence of nesting birds early on in the planning process. Acer Ecology can help you achieve this and hence avoid timely and costly delays to your project.


Bats and their roosts are fully protected under the Wildlife and Countryside Act and the Conservation of Habitats and Species Regulations 2017.

Bat surveys aim to: Establish the presence / likely absence of the bat roosts within trees and buildings; Identify the activity of bats across the site and key commuting and foraging routes; and Recommend ecological mitigation and enhancement where required.

It is also vital to identify the potential presence of bats early on in the planning process. Our fully licensed ecologists are experienced in bat surveying, European Protected Species licensing, mitigation design and implementation, and supervision of works.


Acer Ecology is an experienced and expanding ecological consultancy specialising in bird and bat surveys, and are well placed to undertake bird and bat surveys across Wiltshire, including Salisbury, Chippenham, Devizes, Marlborough, Warminster, Amesbury, Trowbridge, Melksham, Malmesbury and Tidworth, as well as the North Wessex Downs and Cranborne Chase. We can also serve the surrounding counties of Somerset, Dorset, Hampshire, Berkshire, Oxfordshire and Gloucestershire.

For more information about the bird and bat survey services that we offer, or any of our other ecological services, please call us on 02920 650 331, or email

Bat Survey Information   I Need a Bat Survey   Bird Survey Information