United Kingdom Ospreys - Countdown (Alphabetical order)

Countdown to Expected Arrival in 2021 based on Arrival in 2019/2020 (Red indicates Lateness) As arrival time is unknown for most of these Countdown indicates 12 Noon on the day
Click column headings to change sort order
Nest/Bird	Ringed	Expected	Countdown
Aberfoyle Male	White CL	?	Arrived 8th April 13:04
Aberfoyle Female	Unringed	?	Arrived 14th April
Balgavies Loch Male	Blue KR3	5th April 2021	Arrived 17th April
Balgavies Loch Female — MrsBF	Unringed	10th April 2021	Arrived 6th April
Bassenthwaite Male	Unringed	1st April 2021	Arrived 31st March
Bassenthwaite Female	Unringed	?	Arrived 31st March
Border Ospreys Male — Samson	Unringed	6th April 2021	Arrived 30th March 18:30
Border Ospreys Female — Astra	Blue 3AF	?	Arrived 10th April 13:13
Caerlaverock Male	Yellow 8O	4th April 2021
Caerlaverock Female	Unringed	4th April 2021
Clywedog Male — Dylan	Unringed	4th April 2021	Arrived 24th March 19:33
Clywedog Female — Seren	Blue 5F	?	Arrived 29th March 15:50
Dyfi Male — Idris	Unringed	5th April 2021	Arrived 29th March 17:10
Dyfi Female — Telyn	Blue 3J	2nd April 2021	Arrived 26th March 17:28
Esthwaite Male	Blue 7A	27th March 2021	Arrived 27th March 07:52
Esthwaite Female	Unringed	27th March 2021	Arrived 30th March
Foulshaw Moss Male	White YW	30th March 2021	Arrived 26th March
Foulshaw Moss Female	Blue 35	26th March 2021	Arrived 26th March
Glaslyn Male — Aran	Unringed	3rd April 2021	Arrived 29th March 09:48
Glaslyn Female — MrsG	Unringed	21st March 2021	Arrived 25th March 08:45
Kielder 1A Male	White YA	26th March 2021	Arrived 28th March 10:45
Kielder 1A Female	Unringed	5th April 2021	Arrived 30th March 10:19
Kielder 2 Male	Yellow 37	1st April 2021	Arrived 26th March 15:36
Kielder 2 Female — KF20	Unringed	9th April 2021	Arrived 1st April
Kielder 3 Male	Unringed	5th April 2021
Kielder 3 Female	Unringed	11th April 2021	Arrived 6th April
Kielder 4 Male	Blue 69	5th April 2021	Arrived 25th March 08:03
Kielder 4 Female	Unringed	5th April 2021	Arrived 7th April
Kielder 5A Male	Blue UV	14th April 2021	Arrived 5th April 19:55
Kielder 5A Female	Blue PC8	15th April 2021	Arrived 15th April 13:46
Kielder 6 Male	Blue W6	4th April 2021	Arrived 29th March 10:18
Kielder 6 Female	Unringed	5th April 2021	Arrived 6th April
Kielder 7 Male — KM18	Unringed	?	Arrived 1st April 11:53
Kielder 7 Female	Blue KX7	?	Arrived 10th April
Llyn Brenig Male	Blue HR7	5th April 2021
Llyn Brenig Female	Blue 24	22nd March 2021
Loch Arkaig Male — Louis	Unringed	5th April 2021	Arrived 11th April 18:14
Loch Arkaig Female — Aila	Unringed	6th April 2021
Loch Doon Male — Frankie	Blue FK4	5th April 2021	Arrived 31st March
Loch Doon Female — Angel	Unringed	7th April 2021	Arrived 31st March 13:25
Loch Garten Male	?	?	?
Loch Garten Female	?	?	?
Loch of the Lowes Male — LM12	Unringed	21st March 2021	Arrived 21st March 17:00
Loch of the Lowes Female	Blue NC0	28th March 2021	Arrived 25th March
Lochters Male — Branson	Unringed	5th April 2021
Lochters Female — Libby	Unringed	16th April 2021
Roudsea Wood Male	White YC	1st April 2021	Arrived 26th March
Roudsea Wood Female	Unringed	30th March 2021
Rutland MB Male	Blue 33	16th March 2021	Arrived 19th March 12:29
Rutland MB Female — Maya	Unringed	16th March 2021	Arrived 19th March 12:56
Threave Castle Male	Black 80	22nd March 2021	Arrived 23rd March 10:20
Threave Castle Female	Blue KC	25th March 2021	Arrived 30th March
Tweed Valley Male	Blue ??	31st March 2021
Tweed Valley Female — MrsO	Unringed	27th March 2021

Notes:
Where arrival date is not known for 2020 I have used the 2019 date where available.
For those nests we didn't get details about in 2020 one, or possibly both, birds may have changed.

Countdown clocks provided by timeanddate.com