Natterjack Toads on the Sefton Coast: When to Hear Them and Where to Go

2 April 2026

Why the Sefton Coast?

Natterjack Toads need very specific habitat: open, sandy ground with shallow, warm pools for breeding. The dune slack ponds at Ainsdale National Nature Reserve and Freshfield Dune Heath are exactly that. The pools warm up fast in spring because they're shallow and exposed, which the toads need for egg development. The open sandy dune habitat gives them room to forage and burrow.

This combination — warm shallow water, open sand, mild maritime climate — is rare in the UK. The Sefton Coast dunes are one of the few places where it still exists at scale. That's why the population here matters and why it's been subject to specific conservation management, including pool creation and scrub clearance to keep the habitat open.

The national population was estimated at around 30,000 adults across all UK sites. A significant proportion of those animals are on the Sefton Coast. That gives a sense of how important this stretch of coastline is.

When to hear the chorus

The males start calling on warm evenings from late March, though in a cool spring it can be well into April before numbers build. The peak chorus runs from mid-April through May. By mid-June most breeding activity is over.

The key conditions: temperature above 10°C after dark, low wind, ideally still air. On the right night the chorus carries 500 metres or more. It's a persistent, rasping rattle — often described as a cross between a cricket and a motorbike engine. Once you've heard it, you won't confuse it with anything else.

Go after dark. The toads emerge and call from around 9pm onwards on a suitable evening. Take a torch. Don't shine it directly into the pools — give the animals time to get used to the light. You'll usually hear them well before you see them.

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Dune slack ponds like this warm up fast in spring. The Natterjacks need the water temperature to be right before egg development will succeed.

Where exactly to go

Ainsdale National Nature Reserve is the most accessible site. The NNR car park is on Shore Road, Ainsdale (PR8 2QD). Walk out from the car park towards the dune slacks — there are several pools within easy walking distance. The reserve wardens can advise on current pool locations if you want to plan ahead.

Freshfield Dune Heath (part of the Formby complex) also holds toads and is worth visiting if you're further south. The Natterjack walk at Freshfield takes you through suitable habitat — the signs are clear.

Do not go looking at Birkdale Sandhills Local Nature Reserve without checking access first. Some areas are managed specifically for ground-nesting birds during the breeding season and disturbance restrictions apply.

The conservation context

Natterjacks were extinct across most of their former range in England by the late twentieth century. They need a very specific kind of management: keeping the dune slacks open, preventing scrub encroachment, and in some cases creating new shallow pools. The work that's been done on the Sefton Coast over the past 30 years has stabilised and in places grown the local population.

They're a European Protected Species, which means it's a criminal offence to disturb them, damage their habitat, or handle them without a licence. Watching and listening is fine. Getting into the pools to look for spawn, or handling animals you find, is not.

If you're interested in the conservation work, Natural England and the Lancashire Wildlife Trust both publish updates on the Sefton Coast NNR management. The dune restoration work is ongoing.

What else is out in the dunes at the same time

If you're out on a warm April or May evening for the Natterjacks, the dunes are also worth checking for Sand Lizards on south-facing slopes during the day before dark falls. The males colour up to vivid green from April onwards — easily the most striking reptile in the UK if you catch one in breeding condition.

Common Lizards are also present and more likely to be encountered than Sand Lizards — they're not restricted to the open sandy dune habitat in the same way. Both species are harmless and generally more interested in escaping than in anything else.

Northern Dune Tiger Beetles are active on the open sand during warm sunny periods. Pale green, fast-moving, and spectacular under a hand lens. They're an indicator species for intact dune habitat and seeing them alongside Natterjacks on the same visit is a genuine sign of a healthy dune system.