Colour ring data

Colour-ringing since 2021

Through research, monitoring, and conservation, Dorset Raptor Study Group we aim to ensure the survival and well-being of these raptors in their natural habitats.

Colour-rings are a very useful tool to observe raptor movements as we work to understand their ecology. Each specialist ring carries a unique, 2-letter sequence in large font, e.g. AA, AB, AC, to make them easier to read at a distance in the field. This can be done using optics or long-lenses used by many of today’s expert wildlife photographers. All rings are fitted with the utmost care to ensure highest welfare standards and all work is carried out under special licences.

Raptor colour rings
Fluffy Hobby chick

Our research

Amongst our research we are carrying out colour ringing studies and detailed analysis of the prey items brought in to Hobby nests across different habitats and years using innovative camera solutions. We look forward to the next stages of our research and we look forward to sharing the results with you.

Innovating in the field of raptor research

Meet the Hobbies in our study

Here are mini fact-files of DRSG’s colour-ringed Hobbies that have been re-sighted away from their natal area, one or more years later. Some represent only a single sightings, other are breeding birds on territory now raising their own young. So far we have had 8 returns, 6 of which are from 2026, so it will be really interesting to see what happens in 2027.

Hobby in flight with colour ring

BIO
colour ring: AN [left/fore/centre]
Ringed: 27/07/2022 Wareham FE
Sighting: 04/06/2023, Morden Bog
Status: single observation.
Photo: Mark Wright Photography

Hobby chicks in stick nest

AN

Hobby chick in ringing bag

male

Hobbies in flight with colour rings

BIO
Colour-ring: BL (right/centre/top)
Ringed: 03/08/2023 Wareham FE
Sighting: 21/06/2026, Wareham FE
Status: breeding
Photos in flight: Alex Harvey Wildlife

Hobby chicks a stick nest

‍. BL

Hobby in flight with colour ring

male

Hobby at her nest at sunrise

BIO
Colour-ring: BP
Ringed: 04/08/2023 private estate
Sighting: 25/04/2024, private estate
Status: breeding
Photos: DRSG

Eurasian Hobby held by a licensed ringer

‍ BP

Adult female Hobby

female

Hobby in flight eating prey

BIO
Colour-ring: CB (right/centre/top)
Ringed: 29/07/2025 Poole
Sighting: 03/08/2026, Berkshire
Status: breeding (suspected)
Photo: Chris Cowell Photography

Tiny fluffy falcon chicks in a stick nest

‍ CB

Fluffy falcon chicks in stick nest

male

“FE whole heartedly value the dedication and professionalism that DRSG bring to our species conservation efforts for the wide variety of raptors that use our woodlands in South Dorset.”

— Mark Warn BEM, Wildlife Ranger & Landscape Recovery Manager

BIO
Colour-ring: CN
Ringed: 29/07/2025 Poole
Sighting: 03/08/2026, Berkshire
Status: breeding (suspected)
Photo: Andrew Merrick

Oak tree with bird nest

‍ CN

male

Hobby carrying prey at nest

BIO
Colour-ring: DB
Ringed: 03/08/2025 private estate
Sighting: 06/05/2026, Morden Bog
Status: breeding
Photo: Aidan Brown Photography

Hobby with prey in a pine tree

‍ ‍DB

Hobby in flight with colour ring

male

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