| EVENT | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mating Observed? | no reports | no reports | no reports | 11th Mar | no reports | no reports | no reports | no reports | 22, 24 Mar | no reports | no reports | no reports | no reports | no reports | 1, 10 Mar | 16, 24 Mar | 15 Mar | 8,15,16, 22 March | 12,13 Mar | 21 Mar | - |
| 1st Egg Laid | no data yet | 10 Mar ?pm | 17 Mar c11pm | 18 Mar 07:30am | 9 Mar | 15 Mar (?) | no breeding in 2020 | 1 Apr 01:00am | 31 Mar | 5 Apr 06:30am | 28 Mar 13:00pm | 29 Mar 14:15pm | 29 Mar | 4 Apr | 29 Mar | 2 Apr | 24 Mar 5am | 23 Mar | 28 Mar | 3 Apr | no cams |
| 2nd Egg Laid | no data yet | 13 Mar | 20 Mar early am | 20 Mar | 12 Mar | 17 Mar | no breeding in 2020 | 4 Apr | 2 Apr 18:20pm | 7 Apr 13:15pm | 30 Mar 19:00pm | 31 Mar 19:30pm | 31 Mar | 6 Apr | 31 Mar | 4 Apr | 26 Mar 2pm | 26 Mar | 31 Mar | ? | no cams |
| 3rd Egg Laid | no data yet | 15 Mar | 23 Mar 4am | c23 Mar? | 14 Mar | 21 Mar | no breeding in 2020 | uncertain | 6 Apr 07:00am | 9 Apr 22:30pm | 2 Apr 08:00am | 3 April 04:20am | 2 April | 9 Apr | 2 Apr | 6 Apr | 28 Mar 11am | 28 Mar | 2 Apr | ? | no cams |
| Last Egg Laid | no data yet | 18 Mar | 25 Mar 7am | 26 Mar | 17 Mar | 24 Mar | no breeding in 2020 | uncertain | 9 Apr 12:30am | 11 Apr 08:15am | 4 Apr 08:15am | 5 Apr 13:30am | 05 Apr | 11 Apr | 5 Apr | 9 Apr | 31 Mar 7am | 31 Mar 3am | 04 Apr | 09 Apr | no cams |
| First Egg Hatches | no data yet | 19 Apr 11pm | 27 Apr | 27 Apr | 18 Apr | 22 Apr 10am | no breeding in 2020 | 13 May | 8 May 12:30pm | 13 May | 3 May | 5 May | 3 May | 10 May | 5 May | 9 May | 1 May | 29 Apr | 4 May | 8 May | no cams |
| Ringing Date | no data yet | 8 May | 14 May | NOT RINGED | 6 May | 18 May | n/a | 10 June | 30 May | no ringing in 2017 | n/a | 24 May | 23 May | 29 May | 25 May | 30 May | no ringing in 2010 | 20 May | 26 May | 1 Jun | not ringed |
| First Fledging | no data yet | 29 May | 4 June (fell!) | 12 June | 27 - 29 May | 4 Jun (?) | no breeding in 2020 | 28 Jun | 16 Jun | ? | 16 Jun | 17 Jun | 11-22 June | 19-22 June | 14-17 June | 18-22 June | 14-16 June | 9-11 June | 11 Jul | 23 Jun | 7 Jul |
| No of Eggs (Laid - Hatched - Fledged) | no data yet | 4 - 2 - 2 | 4 - 3 - 3 | 4 - 1 - 1 | 4 - 3 - 3 | 4 - 3 - 3 | 0 - 0 - 0 | 4 - 2 - 2 | 4 - 3 - 3 | 4 - 3 - 3 | 4 - 4 - 4 | 4 - 3 - 3 | 4 - 4 - 3 | 4 - 4 - 4 | 4 - 4 - 4 | 4 - 4 - 4 | 4 - 4 - 2 | 4 - 4 - 4 | 4 - 4 - 4 | 4 - 2 - 2 | 3? - 3 - 3 |
| Ring 1 | no data yet | Orange XLN (Female) | Orange XRL (Male) | no ringing in 2023 | Orange XJ (Male) | Orange 042 (F) | no breeding in 2020 | Orange 040 (Female) | Orange 033 (Female) | no ringing in 2017 | no ringing in 2016 | Orange 030 (Female) | Orange 026 (Female?) | Orange 021 (Male) | Orange 016 (Male) | Orange 012 (Female) | no ringing in 2010 | Orange 008 (Male) | Orange 003 (Female) | Orange 001 (Female) | Male not ringed |
| Ring 2 | no data yet | Orange XNN (Male) | Orange XSL (Female) | n/a | Orange XK (Female) | Orange 043 (M) | no breeding in 2020 | Orange 041 (Male) | Orange 034 (Female) | no ringing in 2017 | no ringing in 2016 | Orange 031 (Female) | Orange 027 (Female?) | Orange 022 (Male) | Orange 018 (Male) | Orange 013 (Female) | no ringing in 2010 | Orange 009 (Female) | Orange 004 (Male) | Orange 002 (Female) | Female not ringed |
| Ring 3 | no data yet | n/a | Orange XTL (Female) | n/a | Orange XL (Male) | Orange 044 (F) | no breeding in 2020 | n/a | Orange 035 (Male) | no ringing in 2017 | no ringing in 2016 | Orange 032 (Male) | Orange 028 (Male?) | Orange 023 (Female) | Orange 019 (Female) | Orange 014 (Female) | no ringing in 2010 | Orange 010 (Female) | Orange 005 (Male) | n/a | Female not ringed |
| Ring 4 | no data yet | n/a | n/a | n/a | n/a | n/a | no breeding in 2020 | n/a | n/a | no ringing in 2017 | no ringing in 2016 | n/a | n/a | Orange 024 (Male) | Orange 020 (Male) | Orange 015 (Male) | no ringing in 2010 | Orange 011 (Male) | Orange 007 (Male) | n/a | n/a |
| Rescues Required | no data yet | 0 | 0 | 1 (Male) | 2 (XJ & XL) | 1 | no breeding in 2020 | 2 | 1 | 2 | 0 | 1 (031) | 0 | 0 | 0 | 1 (012) | 0 | 0 | 3 (003,005,007) | 0 | 1 |
| Sex ratio Male:Female | no data yet | 1M 1F | 1M 2F | to add | 2M 1F | 1M 2F | n/a | 1M 1F | 1M 2F | to add | to add | 1M 2F | 1M? 2F? | 3M 1F | 3M 1F | 1M 3F | to add | 2M 2F | 3M 2F | 2F | 1M 2F |
| Key Events: | New nest box sited on tower roof. | Adult Female dies of Bird Flu. New Female arrives within 2 weeks | New male takes over (with no silver leg ring) New female takes over. Only 1 egg hatches: Male | Pure white egg laid (did not hatch) | No breeding. No internet connection due to Covid. Adult male with silver ring bonds with sub-adult female. Dried up adult male corpse found on roof. | No webcams due to loss of internet connectivity. Same male rescued twice. | 033 (F); 034 (F); 035 (M) Blog discrepancy suggesting male died, but the only male is 035 who paired up in Belper in 2020-2022! | none ringed | none ringed | 030 (F); 031 (F); 032 (M) | 026 (F?); 027 F?); 028 (M?). A young chick dies in nest before ringing | 021 (M); 022 (M); 023 (F); 024 (M) | 016 (M); 018 (M); 019 (F); 020 (M) | 012 (F); 013 (F); 014 (F); 015 (M) | none ringed. 2 chicks die in nest | 008 (M ); 009 (F); 010 (F); 011 (M). 009 later found dead in Derby. Sent for taxidermy. 010 injured and kept by local falconer who called her 'Cathy | 003 (F); 004 (M); 005 (M); 007 (M) | 001 (F); 002 (F) | Nest platform erected on 5th April. None ringed 1M;2F |
