Breeding Birds Surveys
All wild birds, their nests and eggs are protected under the Wildlife and Countryside Act 1981 (as amended). It is an offence to intentionally kill, injure or take a wild bird, or to damage, destroy or remove an active nest whilst it is in use or being built. Additional legal protection is afforded to certain rare and vulnerable bird species during the breeding season.
Where development proposals involve vegetation clearance, demolition, roof works or the removal of trees and shrubs, consideration should be given to the potential presence of nesting birds.
When is a Breeding Bird Survey Needed?
A breeding bird survey may be required where works involve:
- Vegetation clearance
- Demolition or alteration of buildings
- Development affecting suitable nesting habitat
- Sites with potential to support notable or protected bird species
Breeding birds are commonly encountered on development sites and are frequently identified during Preliminary Ecological Appraisals (PEAs).
What Does a Breeding Bird Survey Involve?
Breeding bird surveys involve visits during the bird breeding season to identify nesting activity and determine which species are present.
Surveys may include:
- Breeding bird territory mapping
- Nesting bird checks prior to vegetation clearance
- Assessments for notable or protected species
- Advice on avoidance, mitigation and enhancement measures
Survey findings help ensure that works can proceed in compliance with wildlife legislation and planning requirements.
Mitigation and Timing of Works
Where nesting birds are present, mitigation measures may be required. In many cases, impacts can be avoided through appropriate timing of works or the establishment of exclusion zones around active nests until young have fledged.
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