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Thermal skylark nest detection surveys

Targeted nest searches using a two-stage thermal survey approach

SpeciesSkylark (Alauda arvensis)
HabitatsGrassland & arable
Stage 1Night-time detection
Stage 2Early-morning review
OutputSpatially referenced locations
ServiceCommercial survey

The challenge

Finding nests across extensive habitat

Locating skylark nests within extensive grassland and arable habitats can be challenging, particularly where traditional ground searches are time-consuming or risk disturbing nesting habitat.

Aerial Ecology provides commercial thermal drone surveys designed to identify and assess potential skylark nest locations, supporting targeted ecological assessments and land management decisions.

Thermal drone footage from a skylark survey.

Our approach

Two complementary survey stages

Each stage narrows the search, so ground effort goes where it's needed.

  1. Stage 1: Night-time detection

    Nocturnal thermal surveys are used to identify and georeference potential nest locations, providing a focused set of candidate locations for further assessment.

  2. Stage 2: Early-morning review

    Candidate locations are revisited during early-morning surveys, allowing thermal and visual observations to be assessed together and informing any necessary follow-up verification.

  3. Ecologically informed results

    Thermal detections are interpreted by experienced ecological surveyors. Potential nest locations are distinguished from confirmed nests, and targeted ground verification can be undertaken where appropriate.

Potential vs confirmed

A thermal detection is not a confirmed nest

We report potential nest locations and confirmed nests separately, so your assessment is built on clear evidence. Targeted ground verification can be undertaken where appropriate.

Why it helps

Focused survey effort

This structured approach helps focus survey effort, reduce unnecessary searching across nesting habitat and provide spatially referenced evidence to support ecological decision-making.

Commercial survey experience

Used on commercial projects

Aerial Ecology has undertaken commercial skylark surveys using thermal drone technology. Our approach combines specialist equipment, ecological field experience and practical survey planning to support consultants and land managers working in habitats where ground-nesting birds require consideration.

Ground-nesting bird thermal surveys

The same two-stage structure can be discussed for other ground-nesting birds. We'll tell you honestly whether it suits your species and site.

Development history

The method was developed through a series of field trials before being used on commercial projects. Read about our method development

Survey drone flying against a cloudy sky over Sussex

Ground-nesting birds on your site?

Focus your skylark nest searches

Tell us about the site, the habitat and the timing, and we'll scope a survey.