Early morning mist and light drizzle gave way to very good visibility under a gentle F3 north-westerly breeze, with temperatures reaching 18°C.
Aerial image of Enlli overlooking the West Coast and North End (c) Pheobe Moss
Passerine movement featured 16 Willow Warblers, including 12 trapped and ringed around the Observatory and four at Nant. Other small landbirds recorded on census included 34 Linnets, with 21 at the South End, eight at the Narrows, and five at Tŷ Pellaf. Two Lesser Redpolls were logged at the Observatory. Hirundines comprised 17 Swallows, split as eight at Tŷ Pellaf, seven at the South End, and two at the Narrows, along with six House Martins, divided as four at the South End and two at the Narrows. Single Wheatears were observed on Henllywn and the Narrows, three Meadow Pipits were noted at Tŷ Pellaf and single Rock Pipits were seen at Henllwyn and the South End.
Seabird coverage yielded 190 Manx Shearwaters, with 150 off the West Coast, 24 off the South End, ten off the North End, and six chicks ringed in their burrows. Eighteen Gannets were counted, with 17 off the West Coast and one off the South End. Shoreline and gull counts included 360 Herring Gulls spread between Solfach, the Narrows, and Carreg yr Honwy. Additional gulls and terns were highlighted by four Mediterranean Gulls, comprising two adults off the West Coast and an adult alongside a juvenile at the South End. Seven Black-headed Gulls were noted, with five off the West Coast and two at Carreg yr Honwy, two Great Black-backed Gulls were at Carreg yr Honwy, and nine Sandwich Terns moved offshore, with seven off the West Coast and two off the North End.
Waders along the coast were led by 24 Curlews, with 22 at Carreg yr Honwy and two at Henllwyn. Five Whimbrels were noted, with four at the South End and one at the North End, four Oystercatchers were at Traeth Ffynnon, two Ringed Plovers were at the South End, and a single Redshank was at Carreg yr Honwy.
Cetacean watching off the West Coast was productive, producing a pod of 50 Common Dolphins, including calves, alongside a single Risso's Dolphin. Grey Seal counts reached a total of 189 across the island, featuring 109 hauled out at Henllwyn, 43 at Carreg yr Honwy, 34 at the South End, two at the Narrows, and one off the North End.
Butterflies were active in large numbers, particularly in Withies, where 72 Meadow Browns, 12 Common Blues, and a Small Copper were logged. Island totals for Meadow Brown reached 105, with 20 along the West Coast and 13 at Pen Cristin added to the Withies count. Total Common Blue numbers reached 18, with three at Tŷ Pellaf, two at the Observatory, and one along the West Coast. Two Holly Blues were recorded, with one remaining around the Observatory and one at the South End. Other butterflies noted included three Small Tortoiseshells, with one at the Lime Kiln, one at the Observatory, and one in Withies, five Peacocks, two Large Whites at the Observatory, two Red Admirals, a Small White at the Observatory, a Small Copper at the Observatory, and a Painted Lady in the Lowlands. Odonata was represented by an Emperor Dragonfly along the track by the School.



