Diario de balders

Dates: 29th April - 5th May 2024

Weather conditions:
Cool becoming warmer at the weekend (16-7 degrees), light winds (max. 40mph), heavy rain Monday - Tuesday getting drier towards the weekend.

Amphibians:
Lissotriton sp

Bats (emergence surveys):
28/04:
Common Pipistrelle - 2 passes, emerged at 21:50
Noctule Bat - 116 passes, 1st recorded at 21:11
Soprano Pipistrelle - 6 passes, emerged at 20:52

30/04:
Common Pipistrelle - 1 passes, emerged at 22:45
Nathusius's Pipistrelle - 1 pass outside time of emergence survey
Noctule Bat - 203 passes, 1st recorded at 21:18
Serotine Bat - 3 passes, 1st recorded at 23:04
Soprano Pipistrelle - 82 passes, emerged at 20:50

01/05:
Brown Long-eared Bat - 1 pass, 1st recorded at 21:00
Common Pipistrelle - 15 passes, emerged at 20:52
Noctule Bat - 92 passes, 1st recorded at 20:55
Serotine Bat - 1 passes, 1st recorded at 22:35
Soprano Pipistrelle - 122 passes, emerged at 20:51

03/05 pending:
Brown Long-eared Bat - 1 pass, 1st recorded at 21:44
Common Pipistrelle - 3 passes, emerged at 22:01
Nathusius's Pipistrelle - 1 pass, emerged at 22:40
Noctule Bat - 18 passes, 1st recorded at 21:15
Serotine Bat - 3 passes, 1st recorded at 21:42
Soprano Pipistrelle - 275 passes, emerged at 20:58

Next survey using Echo Meter Touch on 04/05

Birds:
BlackBird
Blackcap
Blue Tit
Buzzard
Carrion Crow
Chaffinch
Chiffchaff
Coal Tit
Common Cuckoo
Goldfinch
Great Spotted Woodpecker
Great Tit
Long-tailed Tit
Pheasant
Robin
Swallow
Wren

Butterflies (On transects):
Green-veined White - First sighting for 2024 on 01/05/24
Large White - First sighting for 2024 on 01/05/24
Orange-tip

Caddis flies:
Limnephilus sparsus
Stenophylax sp

Flowering plants:
Alexanders
Barren Strawberry
Blackthorn
Bluebell
Bracken
Bugle
Common Dandelion
Common Dog-Violet
Common Groundsel
Common Twayblade (non-flowering)
Common Vetch
Cow Parsley
Cowslip
Cuckoo Flower
Dog's mercury
Early Dog-Violet
Early Purple Orchid
Elder (non-flowering)
Germander Speedwell
Greater Stitchwort
Hazel
Herb Robert
Land Cress (non-flowering)
Lesser Celandine
Lesser Periwinkle
Marsh Thistle (non-flowering)
Opposite-leaved Golden-Saxifrage
Primrose
Ragged-Robin
Red Campion
Round-leaved Mint (non-flowering)
Southern Marsh-Orchid (non-flowering)
Sycamore (non-flowering)
Water Figwort (non-flowering)
Wavy Bittercress - New species, the 1000th recorded species on this site
Wood Forget-Me-Not
Yellow Rattle (non-flowering)

Hymenopteran (Bees & wasps):
Ashy Mining Bee
Ancistrocerus sp

Mammals:
Bank Vole
Fox

Moths :
Brimstone Moth
Brindled Beauty
Brown Silver-Line
Clouded Drab
Common Quaker
Early Tooth-striped
Engrailed
Flame Carpet - First sighting for 2024 on 01/05/24
Garden Carpet - First sighting for 2024 on 03/05/24
Green Carpet
Hebrew Character
Herald
Muslin Moth
Pale Pinion
Pale Prominent - First sighting for 2024 on 03/05/24
Powdered Quaker
Scalloped Hazel - First sighting for 2024 on 02/05/24
Shoulder Stripe
Silver Y
Small Phoenix
Small White Wave - New Species
Square Spot - First sighting for 2024 on 01/05/24
Next survey using Heath Trap with 40W actinic tube on 04/05

Reptiles:
Grass snake
Slow-worm

Summary of emergence surveys (sunset - 30 minutes to sunset + 180 minutes):

Dates recorded:
Barbastelle Bat 16/04 - 22/04
Brandt’s Bat 17/04 - 22/04
Brown Long-eared Bat 04/02 - 03/05
Common Pipistrelle 04/01 - 03/05
Daubenton's Bat 16/04 - 22/04
Grey Long-eared Bat 26/03 - 26/03
Leisler’s Bat 20/03 - 27/04
Lesser Horseshoe Bat 04/01 - 17/04
Myotis sp. 16/03 - 27/04/
Nathusius's Pipistrelle 16/04 - 03/05
Natterer's Bat 09/02 - 22/04
Noctule Bat 09/02 - 03/05
Serotine 15/03 - 03/05
Soprano Pipistrelle 04/01 - 03/05
Whiskered Bat 01/04 - 01/04

% abundance in 2024:

Soprano Pipistrelle 66.8%
Noctule bat 21.3%
Common Pipistrelle 7.5%
Lesser Horseshoe bat 2.3%
Serotine bat 0.6%
Natterer's bat 0.4%
Brown Long-eared bat 0.3%
"Myotis species" 0.2% (Expected to be mostly Whiskered bat)
Leisler’s bat 0.2%
Brandt’s bat 0.1%
Daubenton's bat 0.1%
Nathusius's Pipistrelle 0.1%
Barbastelle bat 0.02%
Grey Long-eared bat 0.02% (DNA verification of droppings is needed to prove this for certain)
Whiskered bat 0.02%
Greater Horseshoe bat Not recorded so far this year

First sightings dates for each species are listed; those in bold are new records for the site:

Acleris cristana - 17/03/24
Agonopterix arenella - 12/04/24
Agonopterix heracliana - 01/02/24
Agonopterix ocellana- 13/03/24
Angle Shades (Larva) - 28/01/24
Belted Grass-Veneer - 28/01/24
Brimstone Moth - 01/04/24
Brindled Beauty- 13/03/24
Brindled Pug - 13/03/24
Brown Silver-line - 16/04/24
Chestnut - 28/01/24
Clouded Drab - 08/03/24
Clouded Silver - 12/04/24
Common Quaker - 08/03/24
Dark Sword-grass - 10/04/24
December Moth - 04/01/24
Depressaria daucella - 11/03/24
Diurnea fagella- 13/03/24
Dotted Border - 04/01/24
Double-striped Pug - 16/02/24
Early Grey - 08/03/24
Early Moth - 09/02/24
Early Thorn - 11/03/24
Early Tooth-striped - 30/03/24
Engrailed - 27/04/24
Flame Carpet - 02/05/24
Garden Carpet - 03/05/24
Green Carpet - 16/04/24
Grey Shoulder-Knot - 28/01/24
Hebrew Character - 14/02/24
Herald - 31/03/24
Least Black Arches - 17/04/24
Light Brown Apple Moth - 29/01/24
Lunar Marbled Brown - 12/04/24
March Moth - 19/02/24
Mottled Grey- 13/03/24
Mottled Umber - 29/01/24
Muslin Moth - 09/04/24
Oak Beauty - 20/03/24
Oak-tree Pug - 06/03/24
Pale Pinion - 15/03/24
Pale Prominent - 03/05/24
Powdered Quaker - 29/03/24
Red Chestnut - 16/02/24
Red Twin-spot Carpet - 01/04/24
Shoulder Stripe - 19/03/24
Scalloped Hazel - 02/05/24
Silver Y - 12/04/24
Small Phoenix - 03/04/24
Small Quaker - 05/03/24
Square Spot - 01/05/24
Small White Wave - 01/05/24
Stigmella aurella - 11/03/24
Streamer - 07/04/24
Tortricodes alternella - 13/03/24
Turnip Moth - 04/04/24
Twenty-Plume Moth - 25/01/24
Twin-spotted Quaker - 09/03/24
V-Pug - 17/03/24
Water Carpet - 13/03/24
White-marked - 17/03/24
White-shouldered House-moth - 26/04/24
Winter Moth - 19/01/24

63 species have been recorded in 2024 and 388 species since 2012.

Amphibians:
Smooth Newt - 14/02/24

Birds:
Lesser Whitethroat - 16/04/24
Oystercatcher - 07/02/24

Beetles:
Brown Leaf Beetle (Chrysolina staphylaea) - 09/04/24
Great Blackclock (Pterostichus niger) - 19/02/24

Caddis flies:
Limnephilus sparsus - 31/03/24

Ferns:
Broad Buckler-Fern - 07/04/24
Intermediate Polypody - 09/02/24
Lady Fern - 07/04/24

Fungi:
Coral Spot (Nectria cinnabarina) - 22/01/24
Cushion Bracket (Phellinus pomaceus) - 17/02/24
Scurfy Twiglet (Tubaria furfuracea) - 06/03/24
White Brain (Exidia thuretiana) - 06/01/24

Hymenopteran:
Ashy Mining Bee (Andrena cineraria) - 14/04/24
Cliff Mining Bee (Andrena thoracica) - 31/03/24
Marsham's Nomad Bee (Nomada marshamella) - 14/04/24
Orange-legged Furrow Bee (Halictus rubicundus) - 05/04/24
Yellow-legged Mining Bee - 01/04/24

Lichens:
Cartilage Lichen - 07/02/24
Common Powderhorn - 05/02/24
Golden Shield Lichen - 09/02/24

Liverwort:
Great Scented Liverwort - 05/02/24
Snakewort (Conocephalum salebrosum) - 31/01/24

Mammals:
Brown Hare - 06/04/24

Moss:
Fox-tail Feather-Moss - 05/02/24

Millipedes:
Striped Millipede (Ommatoiulus sabulosus) - 13/04/24

Moths:
Belted Grass-Veneer (Euchromius ocellea) - 28/01/24
Small White Wave - 01/05/24 (Subject to confirmation)
Stigmella aurella - 11/03/24
White-marked - 17/03/24

Plants:
Atlantic Ivy - 07/02/24
Common Groundsel - 01/04/24
Early Dog-Violet - 03/03/24
Land Cress - 01/04/24
Lesser Periwinkle - 31/01/24
Wavy Bittercress - 01/05/24 (Subject to confirmation)
Wood Forget-Me-Not - 01/04/24

Spiders:
Rustic Wolf Spider (Trochosa ruricola) - 12/04/24

True flies:
Sixspot Cranefly - 20/03/24

The number of verified species recorded at this site is 1001 with 39 new species added in 2024.
For a full species list see; https://www.inaturalist.org/lifelists/balders?details_view=observations

Brimstone - 18/03/24 - 18/04/24
Brown Argus - Not seen in 2024 but seen most years
Brown Hairstreak - Not seen in 2024 but seen occasionally over the years
Clouded Yellow - Not seen in 2024 but seen every year
Comma - 18/03/24
Common Blue - Not seen in 2024 but seen every year
Dark Green Fritillary - Not seen in 2024 but seen most years
Dingy Skipper - Not seen in 2024 but seen most years
Gatekeeper - Not seen in 2024 but seen every year
Green Hairstreak - Normally seen in April/May most years
Green-veined White - 01/05/24
Holly Blue - 21/04/24
Large Skipper - Not seen in 2024 but seen every year
Large White - 01/05/24
Marbled White - Not seen in 2024 but seen every year
Meadow Brown - Not seen in 2024 but seen every year
Monarch - Rare migrant recorded once on 02/10/19
Orange-Tip - 05/04/24 - 01/05/24
Painted Lady - Not seen in 2024 but seen every year
Peacock - 26/02/24 - 24/03/24, 12/04/24 - 17/04/24
Pearl-bordered Fritillary - Normally seen in April/May most years
Purple Hairstreak - Not seen in 2024 but seen most years
Red Admiral - 12/04/24 - 24/04/24
Ringlet - Not seen in 2024 but seen every year
Silver-washed Fritillary - Not seen in 2024 but seen every year
Small Copper - Normally seen in April/May most years
Small Heath - New species first seen in 2023; not seen in 2024.
Small Pearl-bordered Fritillary - Not seen in 2024 but seen most years
Small Skipper - Not seen in 2024 but seen every year
Small Tortoiseshell - Normally seen in April/May most years
Small White - 05/04/24 - 24/04/24
Speckled Wood - 01/04/24 - 27/04/24
Wall Brown - Not seen in 2024 but seen every year