Wildlife

Common Frog: Garden Favourite Facing Population Pressures

Common frogs are familiar garden visitors but face welfare challenges from disease, pond loss, and pesticide exposure.

Key Facts

Common frogs are the most widespread amphibian in Britain found from gardens to mountain tops
Ranavirus disease can kill entire local populations in a single outbreak
They hibernate in pond mud, log piles, and compost heaps from October to February
Males in breeding condition grip females for days in amplexus competing with other males
Common frogs navigate back to their natal pond for breeding using scent and geomagnetic cues

Welfare Considerations

Common frogs face welfare threats from ranavirus and chytrid fungus disease that can devastate local populations. Road mortality during spring migration to breeding ponds kills thousands. Garden pesticide use exposes frogs directly and eliminates invertebrate prey. Cat predation is significant in suburban gardens. Climate change is shifting breeding phenology potentially causing mismatches with invertebrate prey emergence.

What You Can Do

Create and maintain a garden pond as breeding habitat for common frogs
Never move frogs or frogspawn between ponds as this spreads disease
Report frog disease incidents to Froglife for monitoring purposes
Reduce pesticide use in gardens to support frog prey and reduce direct exposure
Participate in Big Frogwatch surveys to help track population trends