Sefton Coast Wildlife in June 2026: What to Look For Right Now
28 May 2026
June on the Sefton Coast sits at an interesting biological moment. The spring migration is over. Breeding activity is at its peak. Reptiles are at their most visible. And the dune system itself is producing its most diverse flora of the year. Here is what to focus on right now.
Sand Lizards on the Dunes
June is the prime month for sand lizard observation on the Sefton Coast. Males in full breeding condition are a striking sight: vivid green flanks, active and territorial. The warm dune slopes at Ainsdale National Nature Reserve hold one of the most significant sand lizard populations in England.
The lizards emerge to bask when air temperatures rise, typically from mid-morning onwards on warm days. South-facing dune slopes with exposed sandy areas and sparse low vegetation are the key habitat to search. They are fast: movement in the peripheral vision, a pause, then gone if you approach directly.
The best approach is to move slowly along the dune crest and look downslope. Sand lizards often bask in positions that give them a clear view of their surroundings. Approach from above at an oblique angle and stop frequently. A telescope or binoculars give you better viewing distance without disturbing them.
This is a protected species. Do not handle, disturb nesting areas or enter roped-off sections of the reserve. Observe from the public paths.
Little Tern Colony: Chick Stage
The little tern colony at Ainsdale is in the chick stage through June. Eggs laid in May are hatching. The chick period is the most vulnerable stage of the breeding season: cold wet weather, predation by foxes and corvids, and disturbance all take a toll.
Watching from outside the fenced exclosure, you can observe the adults bringing fish, the chicks begging, and the aggressive dive-bombing of anything that approaches the colony perimeter. Little terns are fearless in defence of the nest.
Wardens are present on weekend mornings and can point you to the best viewing positions. The fencing is not decorative. Stay outside it. The chick mortality rate from trampling alone, in years without exclosures, would be total.
Binoculars or a telescope are essential. The colony is interesting enough to justify a proper visit, not just a walk past.
Natterjack Toadlets
The natterjack toads that were calling in May have now metamorphosed and the toadlets are emerging from the slack pools. They are tiny, around 10mm at metamorphosis, and emerge in large numbers on warm damp evenings.
The Ainsdale and Birkdale dune slacks are the place to look. Evening visits in mild, calm conditions are productive. Bring a torch and look carefully at the vegetation margins around the pools. The toadlets are mobile but slow compared to adults and easier to observe.
This is one of the less celebrated wildlife spectacles on the Sefton Coast but genuinely impressive when the emergence is happening. The UK population of natterjack toads is heavily concentrated on the Lancashire and Cumbrian coast. The Sefton dune system is one of the strongholds.
Common Blues and Other Butterflies
The sand dunes in June support a good diversity of butterflies. Common blue is the most eye-catching: vivid blue males on the kidney vetch and bird's foot trefoil that grows in the dune slacks. The females are brown with orange spots and easier to overlook.
Look also for small heath, grayling (appearing from late June on the hottest days), and six-spot burnet moth, which is not a butterfly but is often mistaken for one: distinctive red-spotted black wings flying in daytime.
The best conditions for butterfly observation are warm, sunny, calm days with temperatures above 18C. In lower temperatures or cloud, butterflies are less active and harder to find.
Where to Go in June
Ainsdale National Nature Reserve: the primary destination for sand lizards, little terns and natterjack toadlets. Access via Ainsdale-on-Sea. Park on Shore Road. The boardwalk paths give access to the dune system without damaging the vegetation.
Birkdale Hills Local Nature Reserve: quieter than Ainsdale, good for butterflies and general dune flora. Southern section of the dune system, accessible from Birkdale.
Cabin Hill National Nature Reserve: closed to public access to protect breeding natterjacks. Visible from the beach path.
The beach itself is worth checking in early morning for wading birds: oystercatcher, sanderling, and dunlin are all present through June.
Species covered in this post
About the author
Ed
Ed has been walking the Sefton Coast since the 1980s. He keeps a yearly bird tally, owns more waterproof jackets than he'd care to admit, and has strong opinions about which hide has the best light in the morning. Retired geography teacher. Still gets up at five.