Osprey Details
5F/Seren (Blue 5F)
| Darvic Leg | R |
| BTO Ring | |
| Ringing Date (if known) | |
| Gender | F |
| Hatch Date (or Year) | 2012 |
| Male Parent | 08(01) / U08 (Red 08) |
| Female Parent | 30(05) (Yellow 30) |
| Natal Nest | Rutland Site K |
| Translocated? | |
| Breeding Bird (with public breeding records)? | True |
| Deceased? | |
| Comments Breeding female at Clywedog 2020- . Regularly seen in The Gambia in winter. | |
References and Sightings
|
Type
|
Date
|
Osprey
|
Reference Details
|
|---|---|---|---|
| URL | 07-Oct-2025 | 5F/Seren (Blue 5F) | Website - Bywyd Gwyllt Glaslyn Wildlife - 7-Oct-2025: News of Mrs G's last brood all returning and Blue 497 attempting to nest in South Wales in 2025 |
| Article - Print | 17-Jul-2025 | 5F/Seren (Blue 5F) | Leicestershire and Rutland Wildlife Trust. Rutland Water Wildlife Report 2023 (Osprey report including off-site nests and returns, pp.10-17. Note: we have been alerted to some possible typos/errors in the BTO ring data in the report. We are currently in the process of verifying the data, and will update any errors in due course.) |
| URL | 30-Jan-2025 | 5F/Seren (Blue 5F) | Twitter/X - Andy Young - 30-Jan-2025: Photos © Andy Young of Blue 5F (Seren) in The Gambia |
| URL | 5F/Seren (Blue 5F) | LRWT Blog - March 2023: Rutland Ospreys in Winter - Tim Mackrill | |
| Book | 5F/Seren (Blue 5F) | The Osprey (Poyser monograph) (Dr Tim Mackrill) p.55, p.66-67 | |
| Article - Print | 5F/Seren (Blue 5F) | Jean-Marie Dupart. Senegal Osprey surveys - Identified Ringed Birds (financed by PROPANDION) (Private communication. Information published with permission.) |
Breeding Seasons
|
Year
|
Nest
|
Male Parent
|
Return Date
|
Female Parent
|
Return Date
|
|
|---|---|---|---|---|---|---|
| 2025 | Clywedog | Unringed (Dylan) | 25-Mar-2025 | 5F/Seren (Blue 5F) | 30-Mar-2025 | |
| 2024 | Clywedog | Unringed (Dylan) | 28-Mar-2024 | 5F/Seren (Blue 5F) | 28-Mar-2024 | |
| 2023 | Clywedog | Unringed (Dylan) | 27-Mar-2023 | 5F/Seren (Blue 5F) | 25-Mar-2023 | |
| 2022 | Clywedog | Unringed (Dylan) | 05-Apr-2022 | 5F/Seren (Blue 5F) | 26-Mar-2022 | |
| 2021 | Clywedog | Unringed (Dylan) | 24-Mar-2021 | 5F/Seren (Blue 5F) | 29-Mar-2021 | |
| 2020 | Clywedog | Unringed (Dylan) | 5F/Seren (Blue 5F) |
Publicly Known Offspring
|
Ring
|
Id
|
Leg
|
Gender
|
Hatched
|
Male Parent
|
Female Parent
|
Nest
|
|
|---|---|---|---|---|---|---|---|---|
| Blue 7M2 | Blue 7M2 | R | F | 2025 | Unringed (Dylan) | 5F/Seren (Blue 5F) | Clywedog | |
| Blue 7M3 | Blue 7M3 | R | F | 2025 | Unringed (Dylan) | 5F/Seren (Blue 5F) | Clywedog | |
| Blue 8B1 | Blue 8B1 | R | M | 2023 | Unringed (Dylan) | 5F/Seren (Blue 5F) | Clywedog | |
| Blue 8B2 | Blue 8B2 | R | M | 2023 | Unringed (Dylan) | 5F/Seren (Blue 5F) | Clywedog | |
| Blue 8B3 | Blue 8B3 | R | M | 2024 | Unringed (Dylan) | 5F/Seren (Blue 5F) | Clywedog | |
| Blue 8B4 | Blue 8B4 | R | M | 2024 | Unringed (Dylan) | 5F/Seren (Blue 5F) | Clywedog | |
| Blue 8B5 | Blue 8B5 | R | M | 2024 | Unringed (Dylan) | 5F/Seren (Blue 5F) | Clywedog | |
| Blue 496 | Blue 496 | R | M | 2021 | Unringed (Dylan) | 5F/Seren (Blue 5F) | Clywedog | |
| Blue 550 | Blue 550 | R | M | 2020 | Unringed (Dylan) | 5F/Seren (Blue 5F) | Clywedog | |
| Blue 551 | Blue 551 | R | M | 2020 | Unringed (Dylan) | 5F/Seren (Blue 5F) | Clywedog |