August 1
Red-throated Diver: 1 circling over Treshnish lochan
Lesser Redpoll: newly fledged young by Treshnish Old Schoolhouse
August 2
Green-veined White butterfly: common everywhere
Scotch Argus butterfly: 2 by Treshnish Old Schoolhouse
August 3
Hen Harrier: 1 juvenile to SW of Treshnish boathouse (Prasad), 4 above cliffs behind Port Haunn Dark (SP or D)
White-tailed Eagle: 1 above cliffs behind Port Haunn Dark (SP or D)
Short-eared Owl: ‘2 hunting on hillside above Toechtamhor,’ (CG & LG), 2 on cliffs behind Haunn cottages (SP or D)
Redshank: 1 to west of Treshnish boathouse
Fulmar: 1 broken egg found above cliffs at impassable gully east of Treshnish boathouse. There were no visible chicks
Scotch Argus butterfly: 3+ by Treshnish Old Schoolhouse
Green-veined White butterfly: 1 by Treshnish Old Schoolhouse
Grayling butterfly: 1 to west of Treshnish boathouse
Dark Green Fritillary butterfly: 1 between Treshnish and Haunn cottages
Basking Shark: 10+ from Treshnish (SP or D)
August 4
Hen Harrier: 1 female/juvenile on Cruachan Treshnish NM3547 and about one hour later a juvenile NM3447
Short-eared Owl: 1 on Cruachan Treshnish NM3547
Peregrine Falcon: ‘male. Prolonged views while perched on cliffs facing Treshnish Isles,’ (CG & LG)
Scotch Argus butterfly: 12+ by Treshnish Old Schoolhouse
Green-veined White butterfly: 1 by Treshnish Old Schoolhouse
Meadow Brown butterfly: 1 by Treshnish Old Schoolhouse
Speckled Wood butterfly: 1 by Treshnish Old Schoolhouse
Bog Orchid: new site with over 44 spikes on Cruachan Treshnish
Ivy-leaved Crowfoot: new plant for Treshnish on Cruachan Treshnish
August 5
Short-eared Owl: 1 on Cruachan Treshnish
Scotch Argus butterfly: 6+ by Treshnish Old Schoolhouse, 16 near Reudle schoolhouse bog, 3 on Cruachan Treshnish
Green-veined White butterfly: 5 by Treshnish Old Schoolhouse
Four-spotted Chaser dragonfly: 1 at Reudle schoolhouse bog
August 6
Red-throated Diver: 2 at Tràigh na Cille (Kilninian black beach)
August 7
Peregrine Falcon: 1 dog-fighting with 3 kestrels on Cruachan Treshnish-Beinn Duill
[Hen Harrier: 1 with prey on Cruachan Treshnish]
Sparrowhawk: 1 at Treshnish House
Twite: 3 at Treshnish House
Scotch Argus butterfly: 1 at Treshnish Old Schoolhouse, 1 between Treshnish and Haunn cottages, 2 at Haunn, 2 to west of Haunn cottages
Green-veined White butterfly: 1 to west of Haunn cottages, 1 at Treshnish Old Schoolhouse
Grayling butterfly: 1 on rock outcrops just to south-west of west cottage, Haunn
Dark Green Fritillary butterfly: 2 at Toechtamhor cottage (Prasad), 1 by middle cottage (SP or D)
August 8
Hen Harrier: 1 ‘ring-tail’ west of Duill cottage
Golden Eagle: ‘2 adult Golden Eagles over Treshnish,’ (CG & LG)
[Peregrine Falcon: 1 south of Port Haunn (SP or D)]
Twite: 3 by Treshnish House
Scotch Argus butterfly: 1 by Treshnish Old Schoolhouse
Highland Darter dragonfly: 1 by Treshnish Old Schoolhouse
Dark Green Fritillary butterfly: 1 by middle cottage (SP or D)
August 9
[Barn Owl: 1 flying after dusk between Treshnish Old Schoolhouse and Treshnish House]
Twite: 6 between Treshnish and Haunn cottages
Unid. waders: 6 calling whilst flying east over Treshnish House with erratic flight, possibly Woodcock
August 2-9
Hen Harrier: seen every day in field in front of Haunn cottages (SP or D)
August 10
Twite: 6 between Treshnish and Haunn cottages
Adder: 1 next to it’s shed skin west of Cruachan Odhar
Common Hawker: at least 1 male and 1 female (laying eggs) in pond at NM3746
[Common Blue Damselfly: 1 in pond at NM3746]
Speckled Wood butterfly: 1 by Treshnish Old Schoolhouse
Meadow Brown butterfly: 1 by Treshnish Old Schoolhouse, 2 at NM3746
Scotch Argus butterfly: about 100 at NM3746
Dark Green Fritillary butterfly: 4 at NM3746
Green-veined White butterfly: 3 at NM3746
August 11
Great Skua: 1 flying south passed Port Haunn
Short-eared Owl: 2 over Reudle Schoolhouse bog
Hen Harrier: ‘Male Hen Harrier (juv) seen,’ [near Toechtamhor] (CG & LG)
White-tailed Eagle: ‘adult, over Dervaig,’ (CG & LG)
Scotch Argus butterfly: 2 by Treshnish Old Schoolhouse
Grayling butterfly: 1 on rock outcrop to west of Haunn cottages, 1 on cliffs at Treshnish Point
Basking Shark: 3 offshore from between Crackaig and Port Haunn
August 12
Hen Harrier: 1 female on spruce tree in front of Treshnish Old Schoolhouse
Golden Eagle: 1 on Cruachan Treshnish
Short-eared Owl: 1 to north of Reudle schoolhouse bog
Great Skua: 1 ‘over sea near Haunn,’ (CG & LG)
Shag: ‘600+ feeding over sea near Haunn,’ (CG & LG)
Gannet: ‘100s feeding over sea near Haunn,’ (CG & LG)
Green-veined White butterfly: 1 by Treshnish Old Schoolhouse
Meadow Brown butterfly: 1 above Treshnish Old Schoolhouse, 4 on Cruachan Treshnish
Scotch Argus butterfly: 1 above Treshnish Old Schoolhouse, 9 on Cruachan Treshnish
Large Red Damselfly: 1 at wee pond above Treshnish lochan
Blue-tailed Damselfly: 1 at NM34684713
Ruin: Hermit black-house, NM34524678 and one to south NM34614657
August 13
Hen Harrier: ‘Male Hen Harrier (juv) seen,’ [near Toechtamhor] (CG & LG)
Golden Eagle: ‘2 adult Golden Eagles mobbing female Hen Harrier over Treshnish,’ (CG & LG)
Cormorant: 1+ at nest with young at Lòn Reudle
Knot: 1 juvenile at Langamull (CG & LG)
Little Stint: ‘adult (breeding plumage) Langamull,’ (CG & LG)
Rock Dove: 15 flew out of a cave at Lòn Reudle
Northern Wheatear: 1 above Reudle cliffs
Twite: 8 on cliff near shore at Lòn Reudle
Dolphin: 1 from Port Haunn (MV & NV)
Basking Shark: several below Treshnish House (MV & NV)
Common Hawker dragonfly: 1 east of Glac Gugairidh
Green-veined White butterfly: 1 east of Glac Gugairidh
Meadow Brown butterfly: 2 near Reudle schoolhouse bog
Scotch Argus butterfly: 20 near Reudle schoolhouse bog
Grayling butterfly: 1 above Lòn Reudle cliffs
August 14
Wood Warbler: Aros Woods (CG & LG)
Woodcock: (dusk) flying to marsh below Toechtamhor from Calgary
direction (CG & LG)
Short-eared Owl: ‘hunting Haunn,’ (CG & LG)
Minke Whale: ‘seen from Toechtamhor (scoped),’ (CG & LG)
Otter: ‘seen from Toechtamhor (scoped),’ (CG & LG)
Highland Darter dragonfly: 1 by Treshnish Old Schoolhouse
Common Hawker dragonfly: 1 by Treshnish Old Schoolhouse
Scotch Argus butterfly: 3 by Treshnish Old Schoolhouse
Green-veined White butterfly: 1 by Treshnish Old Schoolhouse
August 2-15
Hen Harrier: ‘female seen hunting in fields below Toechtamhor and on hilltops above Toechtamhor on most days,’ (CG & LG)
Basking Shark: ‘(up to 10) seen every day from Toechtamhor,’ (CG & LG)
Manx Shearwater: ‘seen every day from Toechtamhor - sometimes in hundreds
flying N to S,’ (CG & LG)
August 17
Golden Eagle: 1 at Cruachan Treshnish
Sparrowhawk: 1 at Lòn Reudle
[Owl species: 1 with ‘white breast’ on track between Treshnish and Haunn cottages (MV & NV)]
Shag: hundreds below Treshnish House (MV & NV)
Twite: 20+ at Lòn Reudle
Scotch Argus butterfly: 3 by Treshnish Old Schoolhouse, 1 near Reudle schoolhouse bog
Meadow Brown butterfly: 5 near Reudle schoolhouse bog
Grayling butterfly: 2 on track down from Crackaig, 3 at Lòn Reudle
Small Tortoiseshell butterfly: 1 at Lòn Reudle
Blue-tailed Damselfly: 1 at NM35634670, 2+ at lochan north of Glac Gugairidh
Common Hawker dragonfly: 2 at lochan north of Glac Gugairidh (1 was laying eggs)
Black Darter dragonfly: 2 at lochan north of Glac Gugairidh
Highland Darter dragonfly: 1 at lochan north of Glac Gugairidh
August 18
Red Grouse: 2 to east of Cruachan Treshnish at NM356478
Hen Harrier: 1 ‘ring-tail’ on Cruachan Treshnish at mid-day and 1 to east of summit of Ensay Burg road in the evening
Short-eared Owl: 2 to east of summit of Ensay Burg road
Wheatear: 1 at summit of Ensay Burg road NM3746
August 19
Tawny Owl: 1 seen at Treshnish Old Schoolhouse (juveniles heard virtually every night)
Highland Darter dragonfly: 1+ at Treshnish lochan
Blue-tailed Damselfly: 2+ at Treshnish lochan
Meadow Brown butterfly: 1 at Treshnish lochan
Scotch Argus butterfly: 1 at Treshnish lochan
Green-veined White: 1 at Treshnish lochan
August 20
Short-eared or Barn Owl: 1 at dusk at Sunipol
Tawny Owl: 2 at dusk south of Sunipol
Common Ringed Plover: 5 at Langamull
August 21
Golden Eagle: 1 at Cruachan Treshnish
Green-veined White butterfly: 1 by Treshnish Old Schoolhouse
Scotch Argus butterfly: 1 by Treshnish Old Schoolhouse
Meadow Brown: 1 to east of summit of Ensay Burg road
Highland Darter dragonfly: 1 by Treshnish Old Schoolhouse
August 27
Short-eared Owl: 4 near summit of Ensay-Burg road
August 28
Basking Shark: 2 at Calgary Bay mouth
August 29
[Minke Whale: 1 brief view offshore from Treshnish boathouse looked like this species]
Red-throated Diver: 1 circling over Treshnish lochan
Lesser Redpoll: newly fledged young by Treshnish Old Schoolhouse
August 2
Green-veined White butterfly: common everywhere
Scotch Argus butterfly: 2 by Treshnish Old Schoolhouse
August 3
Hen Harrier: 1 juvenile to SW of Treshnish boathouse (Prasad), 4 above cliffs behind Port Haunn Dark (SP or D)
White-tailed Eagle: 1 above cliffs behind Port Haunn Dark (SP or D)
Short-eared Owl: ‘2 hunting on hillside above Toechtamhor,’ (CG & LG), 2 on cliffs behind Haunn cottages (SP or D)
Redshank: 1 to west of Treshnish boathouse
Fulmar: 1 broken egg found above cliffs at impassable gully east of Treshnish boathouse. There were no visible chicks
Scotch Argus butterfly: 3+ by Treshnish Old Schoolhouse
Green-veined White butterfly: 1 by Treshnish Old Schoolhouse
Grayling butterfly: 1 to west of Treshnish boathouse
Dark Green Fritillary butterfly: 1 between Treshnish and Haunn cottages
Basking Shark: 10+ from Treshnish (SP or D)
August 4
Hen Harrier: 1 female/juvenile on Cruachan Treshnish NM3547 and about one hour later a juvenile NM3447
Short-eared Owl: 1 on Cruachan Treshnish NM3547
Peregrine Falcon: ‘male. Prolonged views while perched on cliffs facing Treshnish Isles,’ (CG & LG)
Scotch Argus butterfly: 12+ by Treshnish Old Schoolhouse
Green-veined White butterfly: 1 by Treshnish Old Schoolhouse
Meadow Brown butterfly: 1 by Treshnish Old Schoolhouse
Speckled Wood butterfly: 1 by Treshnish Old Schoolhouse
Bog Orchid: new site with over 44 spikes on Cruachan Treshnish
Ivy-leaved Crowfoot: new plant for Treshnish on Cruachan Treshnish
August 5
Short-eared Owl: 1 on Cruachan Treshnish
Scotch Argus butterfly: 6+ by Treshnish Old Schoolhouse, 16 near Reudle schoolhouse bog, 3 on Cruachan Treshnish
Green-veined White butterfly: 5 by Treshnish Old Schoolhouse
Four-spotted Chaser dragonfly: 1 at Reudle schoolhouse bog
August 6
Red-throated Diver: 2 at Tràigh na Cille (Kilninian black beach)
August 7
Peregrine Falcon: 1 dog-fighting with 3 kestrels on Cruachan Treshnish-Beinn Duill
[Hen Harrier: 1 with prey on Cruachan Treshnish]
Sparrowhawk: 1 at Treshnish House
Twite: 3 at Treshnish House
Scotch Argus butterfly: 1 at Treshnish Old Schoolhouse, 1 between Treshnish and Haunn cottages, 2 at Haunn, 2 to west of Haunn cottages
Green-veined White butterfly: 1 to west of Haunn cottages, 1 at Treshnish Old Schoolhouse
Grayling butterfly: 1 on rock outcrops just to south-west of west cottage, Haunn
Dark Green Fritillary butterfly: 2 at Toechtamhor cottage (Prasad), 1 by middle cottage (SP or D)
August 8
Hen Harrier: 1 ‘ring-tail’ west of Duill cottage
Golden Eagle: ‘2 adult Golden Eagles over Treshnish,’ (CG & LG)
[Peregrine Falcon: 1 south of Port Haunn (SP or D)]
Twite: 3 by Treshnish House
Scotch Argus butterfly: 1 by Treshnish Old Schoolhouse
Highland Darter dragonfly: 1 by Treshnish Old Schoolhouse
Dark Green Fritillary butterfly: 1 by middle cottage (SP or D)
August 9
[Barn Owl: 1 flying after dusk between Treshnish Old Schoolhouse and Treshnish House]
Twite: 6 between Treshnish and Haunn cottages
Unid. waders: 6 calling whilst flying east over Treshnish House with erratic flight, possibly Woodcock
August 2-9
Hen Harrier: seen every day in field in front of Haunn cottages (SP or D)
August 10
Twite: 6 between Treshnish and Haunn cottages
Adder: 1 next to it’s shed skin west of Cruachan Odhar
Common Hawker: at least 1 male and 1 female (laying eggs) in pond at NM3746
[Common Blue Damselfly: 1 in pond at NM3746]
Speckled Wood butterfly: 1 by Treshnish Old Schoolhouse
Meadow Brown butterfly: 1 by Treshnish Old Schoolhouse, 2 at NM3746
Scotch Argus butterfly: about 100 at NM3746
Dark Green Fritillary butterfly: 4 at NM3746
Green-veined White butterfly: 3 at NM3746
August 11
Great Skua: 1 flying south passed Port Haunn
Short-eared Owl: 2 over Reudle Schoolhouse bog
Hen Harrier: ‘Male Hen Harrier (juv) seen,’ [near Toechtamhor] (CG & LG)
White-tailed Eagle: ‘adult, over Dervaig,’ (CG & LG)
Scotch Argus butterfly: 2 by Treshnish Old Schoolhouse
Grayling butterfly: 1 on rock outcrop to west of Haunn cottages, 1 on cliffs at Treshnish Point
Basking Shark: 3 offshore from between Crackaig and Port Haunn
August 12
Hen Harrier: 1 female on spruce tree in front of Treshnish Old Schoolhouse
Golden Eagle: 1 on Cruachan Treshnish
Short-eared Owl: 1 to north of Reudle schoolhouse bog
Great Skua: 1 ‘over sea near Haunn,’ (CG & LG)
Shag: ‘600+ feeding over sea near Haunn,’ (CG & LG)
Gannet: ‘100s feeding over sea near Haunn,’ (CG & LG)
Green-veined White butterfly: 1 by Treshnish Old Schoolhouse
Meadow Brown butterfly: 1 above Treshnish Old Schoolhouse, 4 on Cruachan Treshnish
Scotch Argus butterfly: 1 above Treshnish Old Schoolhouse, 9 on Cruachan Treshnish
Large Red Damselfly: 1 at wee pond above Treshnish lochan
Blue-tailed Damselfly: 1 at NM34684713
Ruin: Hermit black-house, NM34524678 and one to south NM34614657
August 13
Hen Harrier: ‘Male Hen Harrier (juv) seen,’ [near Toechtamhor] (CG & LG)
Golden Eagle: ‘2 adult Golden Eagles mobbing female Hen Harrier over Treshnish,’ (CG & LG)
Cormorant: 1+ at nest with young at Lòn Reudle
Knot: 1 juvenile at Langamull (CG & LG)
Little Stint: ‘adult (breeding plumage) Langamull,’ (CG & LG)
Rock Dove: 15 flew out of a cave at Lòn Reudle
Northern Wheatear: 1 above Reudle cliffs
Twite: 8 on cliff near shore at Lòn Reudle
Dolphin: 1 from Port Haunn (MV & NV)
Basking Shark: several below Treshnish House (MV & NV)
Common Hawker dragonfly: 1 east of Glac Gugairidh
Green-veined White butterfly: 1 east of Glac Gugairidh
Meadow Brown butterfly: 2 near Reudle schoolhouse bog
Scotch Argus butterfly: 20 near Reudle schoolhouse bog
Grayling butterfly: 1 above Lòn Reudle cliffs
August 14
Wood Warbler: Aros Woods (CG & LG)
Woodcock: (dusk) flying to marsh below Toechtamhor from Calgary
direction (CG & LG)
Short-eared Owl: ‘hunting Haunn,’ (CG & LG)
Minke Whale: ‘seen from Toechtamhor (scoped),’ (CG & LG)
Otter: ‘seen from Toechtamhor (scoped),’ (CG & LG)
Highland Darter dragonfly: 1 by Treshnish Old Schoolhouse
Common Hawker dragonfly: 1 by Treshnish Old Schoolhouse
Scotch Argus butterfly: 3 by Treshnish Old Schoolhouse
Green-veined White butterfly: 1 by Treshnish Old Schoolhouse
August 2-15
Hen Harrier: ‘female seen hunting in fields below Toechtamhor and on hilltops above Toechtamhor on most days,’ (CG & LG)
Basking Shark: ‘(up to 10) seen every day from Toechtamhor,’ (CG & LG)
Manx Shearwater: ‘seen every day from Toechtamhor - sometimes in hundreds
flying N to S,’ (CG & LG)
August 17
Golden Eagle: 1 at Cruachan Treshnish
Sparrowhawk: 1 at Lòn Reudle
[Owl species: 1 with ‘white breast’ on track between Treshnish and Haunn cottages (MV & NV)]
Shag: hundreds below Treshnish House (MV & NV)
Twite: 20+ at Lòn Reudle
Scotch Argus butterfly: 3 by Treshnish Old Schoolhouse, 1 near Reudle schoolhouse bog
Meadow Brown butterfly: 5 near Reudle schoolhouse bog
Grayling butterfly: 2 on track down from Crackaig, 3 at Lòn Reudle
Small Tortoiseshell butterfly: 1 at Lòn Reudle
Blue-tailed Damselfly: 1 at NM35634670, 2+ at lochan north of Glac Gugairidh
Common Hawker dragonfly: 2 at lochan north of Glac Gugairidh (1 was laying eggs)
Black Darter dragonfly: 2 at lochan north of Glac Gugairidh
Highland Darter dragonfly: 1 at lochan north of Glac Gugairidh
August 18
Red Grouse: 2 to east of Cruachan Treshnish at NM356478
Hen Harrier: 1 ‘ring-tail’ on Cruachan Treshnish at mid-day and 1 to east of summit of Ensay Burg road in the evening
Short-eared Owl: 2 to east of summit of Ensay Burg road
Wheatear: 1 at summit of Ensay Burg road NM3746
August 19
Tawny Owl: 1 seen at Treshnish Old Schoolhouse (juveniles heard virtually every night)
Highland Darter dragonfly: 1+ at Treshnish lochan
Blue-tailed Damselfly: 2+ at Treshnish lochan
Meadow Brown butterfly: 1 at Treshnish lochan
Scotch Argus butterfly: 1 at Treshnish lochan
Green-veined White: 1 at Treshnish lochan
August 20
Short-eared or Barn Owl: 1 at dusk at Sunipol
Tawny Owl: 2 at dusk south of Sunipol
Common Ringed Plover: 5 at Langamull
August 21
Golden Eagle: 1 at Cruachan Treshnish
Green-veined White butterfly: 1 by Treshnish Old Schoolhouse
Scotch Argus butterfly: 1 by Treshnish Old Schoolhouse
Meadow Brown: 1 to east of summit of Ensay Burg road
Highland Darter dragonfly: 1 by Treshnish Old Schoolhouse
August 27
Short-eared Owl: 4 near summit of Ensay-Burg road
August 28
Basking Shark: 2 at Calgary Bay mouth
August 29
[Minke Whale: 1 brief view offshore from Treshnish boathouse looked like this species]
