Amphibians nocturnal

Natterjack Toad

Epidalea calamita

Discover the 'Running Toad,' a rare and charismatic amphibian famous for its vibrant yellow racing stripe and incredibly loud voice. Known for scurrying like a mouse rather than hopping, the Natterjack is a true specialist of the dunes.

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Quick Identification

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Size

60–70 mm (2.4–2.8 in) in length; rarely exceeding 80 mm

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Colors

Olive-green, grey, or brown base with darker blotches; reddish-tipped warts; distinguished by a bright yellow stripe running down the center of the spine

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Key Features

Distinctive yellow stripe running down the middle of the back
Short legs that result in a scurrying 'mouse-like' run rather than hops
Parallel paratoid glands located behind the eyes
Prominent, loud metallic croak from males during breeding season

When You’ll See Them

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Activity pattern nocturnal

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Peak hours 10 PM - 3 AM

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Season April-July

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Diet Active nocturnal hunter of ground-dwelling invertebrates, including beetles, ants, spiders, and woodlice.

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Habitat Sandy soils, coastal dunes, salt marshes, and lowland heaths with shallow, warm ponds.

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Behavior

The Natterjack Toad is best known for its unique method of locomotion. Unlike the Common Toad or most frogs, which hop or crawl, the Natterjack has very short back legs that allow it to run quickly across open ground. This scurrying behavior often leads observers to mistake them for small mice in the dark. They are a 'pioneer species,' specifically adapted to live in harsh, shifting environments like coastal dunes and sandy heaths where other amphibians might struggle.

During the breeding season, Natterjacks are incredibly vocal. Males possess a large vocal sac that allows them to produce a loud, rasping 'ratchel-ratchel' sound that can be heard up to two kilometers away. They are largely nocturnal, spending their days buried in deep burrows in the sand to stay cool and damp, emerging at night to hunt and socialise under the cover of darkness.

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Camera Tips

Capturing a Natterjack Toad on camera requires a ground-level perspective. Because these toads are small and move close to the earth, you should place your AI camera no more than 5 to 10 inches off the ground. If you are using a trail camera, tilt it slightly downward to ensure the sensor picks up their heat signature as they scurry past. They prefer open, sandy patches with little vegetation, so look for 'corridors' of bare earth where they might travel between their burrows and breeding ponds.

Since Natterjacks are most active during the spring breeding season, timing is everything. Position your camera near the edges of shallow, sun-warmed pools between April and June. These toads prefer water that is temporary and lacks fish (which eat their tadpoles), so look for large puddles or slacks in dune systems. To get the best footage, set your camera to video mode rather than stills; the 'running' gait is the species' most diagnostic and charming behavior, and it is best captured in 10-20 second clips.

Lighting is another crucial factor. Natterjacks are strictly nocturnal, so ensure your camera has a high-quality infrared (no-glow) flash to avoid startling them. If you want to encourage them to visit a specific spot for the camera, you can place a very low-wattage solar light nearby; while it won't attract the toads directly, it will attract the beetles and moths they love to eat, turning your camera zone into a prime hunting ground.

Lastly, be mindful of the weather. Natterjacks are most active on warm, humid nights with light rain. Check your local forecast and ensure your camera batteries are fresh before a 'toad-weather' event. Because they are a protected species in many regions (like the UK), always ensure you are setting up your camera from a distance and not disturbing their sensitive breeding sites or burrows.

Similar Species

Species that look similar or are commonly confused with Natterjack Toad.

Common Toad

Lacks the yellow dorsal stripe and prefers hopping or crawling over the Natterjack's running gait.

Has much longer legs for jumping, smoother skin, and lacks the Natterjack's distinctive yellow stripe.

Frequently Asked Questions

Natterjack Toads are strictly nocturnal. They typically emerge from their burrows shortly after dusk and remain active throughout the night, with peak activity occurring between 10 PM and 2 AM during the spring breeding season.

Natterjacks have very specific habitat needs, requiring sandy soil for burrowing and shallow, unshaded ponds. If you live near a coastal or heathland area, you can help them by maintaining patches of bare, sandy ground and providing a shallow wildlife pond with sloped sides and no fish.

They are insectivores that hunt on foot. Their diet consists mostly of ground-dwelling invertebrates such as beetles, ants, spiders, and woodlice. Unlike other toads that sit and wait, Natterjacks actively chase down their prey across open sand.

No, Natterjack Toads are quite rare and specialized. They are generally restricted to coastal dunes, salt marshes, and specific sandy heathlands. They are much less likely to be found in typical suburban gardens than the Common Toad.

The easiest way to tell them apart is the bright yellow line running down the Natterjack's spine, which the Common Toad lacks. Additionally, Natterjacks run rather than hop, and their skin is generally less 'warty' and more olive-toned than the brownish Common Toad.

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