| 31/12/21 | Grey Heron | Furzton Lake, Milton Keynes | 2 | H Appleyard |
| On one of the islands. |
| 31/12/21 | Grey Heron | Furzton Estate, Milton Keynes | 2 | H Appleyard |
| |
| 31/12/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
13:34
| ad. Seen in reed beds. |
| 30/12/21 | Grey Heron | Stony Stratford | 1 | R A Fowles |
20:41
| |
| 30/12/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 26/12/21 | Grey Heron | Furzton Estate, Milton Keynes | 2 | H Appleyard |
| |
| 26/12/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
11:05
| ad. Seen in far reed bed. |
| 25/12/21 | Grey Heron | Furzton Lake, Milton Keynes | 2 | G Alcock |
13:57
| |
| 24/12/21 | Grey Heron | Marsh Gibbon | 1 | L Russell |
14:36
| |
| 23/12/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 23/12/21 | Grey Heron | Furzton Lake, Milton Keynes | 1 | M Shepherd |
08:55
| |
| 22/12/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 21/12/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 21/12/21 | Grey Heron | Willen Lake North, Willen Lakes | 9 | R A Fowles |
16:03
| Webs. |
| 19/12/21 | Grey Heron | Chesham Fishing Lake | 2 | D J Stone |
| Pow Wow Lake. Seen with Stewart Dennis. |
| 20/12/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 20/12/21 | Grey Heron | Emberton | 2 | A Harrell |
12:00
| |
| 19/12/21 | Grey Heron | Wooburn Green | 3 | R Kirk |
| All flying together up stream over the river wye. |
| 19/12/21 | Grey Heron | Furzton Lake, Milton Keynes | 4 | H Appleyard |
| |
| 19/12/21 | Grey Heron | Emerson Valley, Milton Keynes | 1 | H Appleyard |
| |
| 19/12/21 | Grey Heron | Calvert BBOWT Lake, Calvert | 2 | R Cadd |
11:30
| Hide 1. One on raft beyond reedbeds, one over to E side of lake. |
| 19/12/21 | Grey Heron | Wendover Canal | 1 | J C Seabrook |
09:00
| |
| 16/12/21 | Grey Heron | Ickford | 2 | N Marriner |
12:30
| |
| 16/12/21 | Grey Heron | Ford | 1 | L Howard |
11:43
| over at dawn mobbed by jackdaws. |
| 14/12/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 14/12/21 | Grey Heron | Turweston, Turweston | 1 | P Gomersall |
11:23
| ad. Flew past front of houses. |
| 13/12/21 | Grey Heron | Loosley Row | 1 | N Partridge |
09:30
| Over. |
| 13/12/21 | Grey Heron | Weston Turville Reservoir | 1 | J C Seabrook |
12:30
| |
| 13/12/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 12/12/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
11:53
| ad. Flew over hide and left hand reed bed. |
| 10/12/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 10/12/21 | Grey Heron | Floodplain Forest Nature Reserve (formerly Manor Farm) | 1 | S Lowe |
13:00
| |
| 09/12/21 | Grey Heron | Wendover Canal | 1 | J C Seabrook |
11:15
| |
| 08/12/21 | Grey Heron | Marsh Gibbon | 1 | L Russell |
16:43
| |
| 06/12/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 05/12/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
10:54
| ad. On a tree on the right. |
| 03/12/21 | Grey Heron | Little Chalfont | 1 | T Wood |
10:10
| Landed in garden and investigated fishless pond.... SU995981. |
| 02/12/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 28/11/21 | Grey Heron | Ashland, Milton Keynes | 1 | J J Robertson |
11:30
| |
| 28/11/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
11:31
| ad. In trees on the right. |
| 21/11/21 | Grey Heron | Little Marlow GP | 11 | D J Bevan |
15:00
| Mostly on the spit. |
| 21/11/21 | Grey Heron | Foxcote Res | 5 | P Gomersall |
12:09
| ad and juv. All over far side. |
| 17/11/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 05/11/21 | Grey Heron | Willen Lakes | 6 | M Baker |
15:15
| |
| 16/11/21 | Grey Heron | Wendover Canal | 1 | J C Seabrook |
10:30
| |
| 16/11/21 | Grey Heron | Weston Turville Reservoir | 1 | J C Seabrook |
09:30
| |
| 14/11/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
11:46
| ad. In reeds to left of dam wall. |
| 13/11/21 | Grey Heron | Fulmer Lake, Fulmer | 1 | J N Sweeney |
13:00
| |
| 12/11/21 | Grey Heron | Emberton | 2 | K C Mitchell |
14:07
| SP883501. |
| 12/11/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
12:23
| ad. In far reed beds. |
| 11/11/21 | Grey Heron | Willen Lake North, Willen Lakes | 2 | S Potter |
17:22
| |
| 11/11/21 | Grey Heron | Furzton Lake, Milton Keynes | 2 | A Gibbs |
10:25
| |
| 09/11/21 | Grey Heron | Foxcote Res | 3 | P Gomersall |
12:33
| ad. Resting in far wood. |
| 08/11/21 | Grey Heron | Willen Lake North, Willen Lakes | 1 | M Shepherd |
23:01
| by the island. |
| 07/11/21 | Grey Heron | Bradwell Lakes, Linford GPs | 4 | R A Fowles |
18:10
| |
| 07/11/21 | Grey Heron | Bradwell New Workings | 2 | R A Fowles |
18:09
| |
| 06/11/21 | Grey Heron | Dorney Lake, Dorney | 2 | D L Cleal |
13:00
| |
| 06/11/21 | Grey Heron | Dorney Common, Dorney | 1 | D L Cleal |
11:30
| |
| 06/11/21 | Grey Heron | Eythrope | 3 | N Marriner |
09:00
| |
| 03/11/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
12:40
| ad. Flew into far trees. |
| 02/11/21 | Grey Heron | Olney | 1 | A Harrell |
11:30
| |
| 01/11/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| JUV. |
| 01/11/21 | Grey Heron | Emberton | 1 | A Harrell |
13:30
| |
| 29/10/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| |
| 24/10/21 | Grey Heron | Foxcote Res | 2 | P Gomersall |
12:02
| ad. Flying around res:. |
| 20/10/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 14/10/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Al-Farhan |
07:00
| |
| 18/10/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| JUV. |
| 17/10/21 | Grey Heron | Bishopstone | 1 | D J Stone |
| Over cultivated fields. |
| 17/10/21 | Grey Heron | Foxcote Res | 5 | P Gomersall |
12:03
| ad. 2 on fence on fa bank 3 on dam wall. |
| 13/10/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 10/10/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
12:01
| ad. On post by far field. |
| 10/10/21 | Grey Heron | Foxcote Res | 1 | P Woodham |
10:15
| |
| 09/10/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 07/10/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 04/10/21 | Grey Heron | Dorney Common, Dorney | 2 | D L Cleal |
12:45
| |
| 03/10/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
12:15
| ad. In trees on far right. |
| 02/10/21 | Grey Heron | Rowsham | 1 | M Wallen |
04:50
| Nocturnal ! Flying over, calling.
One was also actively moving around calling pre dawn from 0540- 0605, heard several times. |
| 16/09/21 | Grey Heron | Newton Leys | 2 | J Baker |
08:00
| |
| 01/09/21 | Grey Heron | Newton Leys | 1 | J Baker |
08:00
| |
| 30/09/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| juv. |
| 23/09/21 | Grey Heron | Olney | 2 | A Harrell |
17:00
| The Mill. |
| 26/09/21 | Grey Heron | Foxcote Res | 2 | P Gomersall |
12:35
| ad. One in far trees other was a fly by. |
| 25/09/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| |
| 25/09/21 | Grey Heron | College Lake | 1 | A C Bayliss |
15:00
| |
| 25/09/21 | Grey Heron | Amersham Flood Meadows | 1 | R G Bibby |
17:54
| |
| 24/09/21 | Grey Heron | Gallows Bridge Farm, Gallows Bridge | 1 | S Lowe |
15:40
| |
| 23/09/21 | Grey Heron | Gallows Bridge | 2 | N Giles |
18:37
| |
| 22/09/21 | Grey Heron | Caldecotte Lake | 4 | R A Fowles |
16:50
| Webs. |
| 21/09/21 | Grey Heron | Willen Lake South, Willen Lakes | 2 | R A Fowles |
17:57
| Webs. |
| 20/09/21 | Grey Heron | Willen Lake North, Willen Lakes | 7 | R A Fowles |
12:17
| Webs. |
| 17/09/21 | Grey Heron | Wooburn Green | 2 | R Kirk |
| 1 ad 1juv. |
| 13/09/21 | Grey Heron | Foxcote Res | 1 | B Parker |
09:05
| WeBS Count. |
| 16/09/21 | Grey Heron | Ickford | 3 | N Marriner |
12:30
| |
| 16/09/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| juv. Perched at the brook. |
| 14/09/21 | Grey Heron | Furzton Lake, Milton Keynes | 2 | H Appleyard |
| |
| 14/09/21 | Grey Heron | High Wycombe, High Wycombe | 1 | R Kirk |
| in the river wye near the police station. |
| 13/09/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Appleyard |
| Heading south. |
| 12/09/21 | Grey Heron | Weston Turville Reservoir | 1 | J C Seabrook |
09:45
| |
| 12/09/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| Perched over the brook. |
| 12/09/21 | Grey Heron | Floodplain Forest Nature Reserve (formerly Manor Farm) | 4 | D Sedgwick |
08:00
| Webs Count. |
| 12/09/21 | Grey Heron | Foxcote Res | 3 | P Gomersall |
11:11
| ad. Seen in trees to left and right. |
| 11/09/21 | Grey Heron | College Lake | 1 | A C Bayliss |
14:00
| |
| 09/09/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Appleyard |
| Hunting in one of the fields. |
| 07/09/21 | Grey Heron | Howe Park Wood, Milton Keynes | 1 | H Appleyard |
| juv. At one of the ponds. |
| 07/09/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Appleyard |
| |
| 05/09/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 06/09/21 | Grey Heron | Wooburn Green | 2 | R Kirk |
| |
| 05/09/21 | Grey Heron | Floodplain Forest Nature Reserve (formerly Manor Farm) | 1 | M Shepherd |
11:33
| |
| 05/09/21 | Grey Heron | Foxcote Res | 3 | P Gomersall |
10:58
| ad. In tree to the right,another in far wood,and a fly through. |
| 03/09/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Appleyard |
| Landing at one of the fields at the west end of the site. |
| 25/08/21 | Grey Heron | Newton Leys | 1 | J Baker |
08:00
| |
| 11/08/21 | Grey Heron | Newton Leys | 1 | J Baker |
08:00
| |
| 10/08/21 | Grey Heron | Newton Leys | 1 | J Baker |
08:00
| |
| 02/08/21 | Grey Heron | Newton Leys | 1 | J Baker |
17:00
| |
| 01/09/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| |
| 30/08/21 | Grey Heron | Rowsham | 2 | M Wallen |
07:35
| Together, migrating West. |
| 30/08/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| |
| 29/08/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| juv. Stood by the brook. |
| 29/08/21 | Grey Heron | Foxcote Res | 2 | P Gomersall |
11:15
| ad. Under trees. |
| 27/08/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 5 | H Appleyard |
| An unusual sight of 4 flying high to the west together and another much lower bird flying into the linear park/Tattenhoe Valley Park a little while later. |
| 25/08/21 | Grey Heron | Gallows Bridge Farm, Gallows Bridge | 1 | S Lowe |
15:30
| |
| 22/08/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| Perched at the brook. |
| 22/08/21 | Grey Heron | Weston Turville Reservoir | 2 | J C Seabrook |
08:15
| |
| 22/08/21 | Grey Heron | Foxcote Res | 2 | P Gomersall |
11:05
| ad. On dam wall and in far trees. |
| 21/08/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Appleyard |
| |
| 19/08/21 | Grey Heron | Loudwater | 1 | R Kirk |
| Flying over tesco roundabout. |
| 18/08/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| |
| 16/08/21 | Grey Heron | Willen Lake North, Willen Lakes | 4 | R A Fowles |
22:34
| Webs. |
| 11/08/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Appleyard |
| |
| 15/08/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Appleyard |
| |
| 15/08/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| juv. Hunting at one of the open areas of the brook. |
| 15/08/21 | Grey Heron | Floodplain Forest Nature Reserve (formerly Manor Farm) | 4 | D Sedgwick |
06:00
| WeBS count. |
| 15/08/21 | Grey Heron | Foxcote Res | 2 | P Gomersall |
10:30
| ad. In trees. |
| 12/08/21 | Grey Heron | Willen Lake North, Willen Lakes | 6 | R A Fowles |
14:50
| |
| 10/08/21 | Grey Heron | Tattenhoe, Milton Keynes | 3 | H Appleyard |
| At frequented section of the brook. |
| 08/08/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Appleyard |
| |
| 08/08/21 | Grey Heron | Foxcote Res | 3 | P Gomersall |
09:41
| ad. Flew through. |
| 07/08/21 | Grey Heron | Bradwell New Workings | 1 | R A Fowles |
22:08
| |
| 07/08/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Appleyard |
| juv. Took off from recently cut section between two of the fenced fields. |
| 07/08/21 | Grey Heron | Willen Lake North, Willen Lakes | 2 | S Potter |
14:30
| |
| 04/08/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Appleyard |
| |
| 02/08/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| JUV. |
| 28/07/21 | Grey Heron | Blue Lagoon | 1 | J Baker |
08:10
| |
| 28/07/21 | Grey Heron | Newton Leys | 1 | J Baker |
07:45
| |
| 27/07/21 | Grey Heron | Newton Leys | 1 | J Baker |
08:00
| |
| 01/08/21 | Grey Heron | Foxcote Res | 2 | P Gomersall |
11:40
| ad. In trees on far side. |
| 29/07/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| Perched by the brook. |
| 27/07/21 | Grey Heron | Howe Park Wood, Milton Keynes | 1 | H Appleyard |
| Catching and eating a small fish from one of the ponds. |
| 26/07/21 | Grey Heron | Weston Turville Reservoir | 2 | J C Seabrook |
09:30
| |
| 25/07/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
09:19
| ad. Flew over. |
| 24/07/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| |
| 24/07/21 | Grey Heron | Tattenhoe Park, Milton Keynes | 1 | H Appleyard |
| |
| 23/07/21 | Grey Heron | Foxcote Res | 6 | P Gomersall |
11:18
| ad and juv. Seen from far woods and round towards the far trees. |
| 20/07/21 | Grey Heron | Old Wolverton, Stony Stratford | 1 | H Appleyard |
| |
| 19/07/21 | Grey Heron | Willen Lake North, Willen Lakes | 5 | R A Fowles |
11:43
| |
| 18/07/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
11:06
| ad. On dam wall. |
| 11/07/21 | Grey Heron | Amersham Flood Meadows | 1 | R W Seekins |
08:10
| |
| 13/07/21 | Grey Heron | Gallows Bridge | 1 | P Woodham |
10:10
| H1. |
| 13/07/21 | Grey Heron | Amersham Flood Meadows | 1 | R W Seekins |
07:30
| |
| 11/07/21 | Grey Heron | Tattenhoe, Milton Keynes | 2 | H Appleyard |
| |
| 11/07/21 | Grey Heron | Foxcote Res | 3 | P Gomersall |
10:46
| ad. Seen all around. |
| 10/07/21 | Grey Heron | Amersham Flood Meadows | 1 | R G Bibby |
16:18
| |
| 10/07/21 | Grey Heron | Olney | 2 | A Harrell |
11:30
| Down from The Mill. |
| 08/07/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| |
| 08/07/21 | Grey Heron | Amersham Flood Meadows | 1 | R W Seekins |
08:30
| |
| 05/07/21 | Grey Heron | Emerson Valley, Milton Keynes | 1 | H Appleyard |
| juv. Perched by the brook. |
| 05/07/21 | Grey Heron | Furzton Estate, Milton Keynes | 1 | H Appleyard |
| juv. |
| 05/07/21 | Grey Heron | Furzton Lake, Milton Keynes | 3 | H Appleyard |
| |
| 04/07/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| |
| 04/07/21 | Grey Heron | Foxcote Res | 2 | P Gomersall |
11:52
| Seen in 2 locations. |
| 16/06/21 | Grey Heron | Blue Lagoon | 1 | J Baker |
08:10
| |
| 15/06/21 | Grey Heron | Blue Lagoon | 1 | J Baker |
08:10
| |
| 02/07/21 | Grey Heron | Bradwell New Workings | 1 | R A Fowles |
14:19
| |
| 30/06/21 | Grey Heron | Gallows Bridge Farm, Gallows Bridge | 1 | S Lowe |
15:15
| |
| 30/06/21 | Grey Heron | Eythrope | 2 | N Marriner |
17:30
| |
| 27/06/21 | Grey Heron | Lower Winchenden | 1 | M S Hunt |
09:30
| |
| 27/06/21 | Grey Heron | Foxcote Res | 2 | P Gomersall |
09:17
| In trees around res:. |
| 26/06/21 | Grey Heron | Amersham Flood Meadows | 2 | R G Bibby |
14:21
| |
| 25/06/21 | Grey Heron | Foxcote Res | 2 | P Gomersall |
15:16
| In reeds. |
| 22/06/21 | Grey Heron | Foxcote Res | 3 | P Gomersall |
10:51
| Under trees on far bank. |
| 20/06/21 | Grey Heron | Foxcote Res | 5 | P Gomersall |
11:58
| 3 ad 2 juv. Seen around far reed bed. |
| 17/06/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
| |
| 17/06/21 | Grey Heron | Olney | 1 | A Harrell |
17:30
| The Mill. |
| 17/06/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| just 10 feet away from me in my parked car. |
| 17/06/21 | Grey Heron | Caldecotte Lake | 1 | R A Fowles |
15:18
| Webs. |
| 15/06/21 | Grey Heron | Tattenhoe, Milton Keynes | 2 | H Appleyard |
| |
| 14/06/21 | Grey Heron | Amersham Flood Meadows | 1 | R W Seekins |
08:30
| |
| 13/06/21 | Grey Heron | Floodplain Forest Nature Reserve (formerly Manor Farm) | 4 | D Sedgwick |
08:30
| Webs count. |
| 13/06/21 | Grey Heron | Tattenhoe, Milton Keynes | 1 | H Appleyard |
00:43
| Nocturnal record. 3 calls picked up on my sound recorder at 00.43. |
| 11/06/21 | Grey Heron | Gallows Bridge Farm, Gallows Bridge | 1 | S Lowe |
15:30
| |
| 04/06/21 | Grey Heron | Tattenhoe, Milton Keynes | 3 | H Appleyard |
| Pair heading south and one perched at the brook. |
| 01/06/21 | Grey Heron | Tattenhoe, Milton Keynes | 2 | H Appleyard |
| Resting on willow over the brook together. |
| 31/05/21 | Grey Heron | Wooburn Green | 1 | R Kirk |
| being attacked by 2 lesser black backed gulls in flight. |
| 31/05/21 | Grey Heron | Willen Lake North, Willen Lakes | 4 | M S Hunt |
08:20
| Juveniles. |
| 30/05/21 | Grey Heron | Foxcote Res | 1 | P Gomersall |
11:59
| Sat in trees by reed bed. |
| 28/05/21 | Grey Heron | Stonepit Field Park | 1 | H Appleyard |
| |
| 28/05/21 | Grey Heron | Buckland | 2 | D J Stone |
| |
| 27/05/21 | Grey Heron | Floodplain Forest Nature Reserve (formerly Manor Farm) | 3 | S Lowe |
13:00
| |