Agile Frog

• It can leap as far as 2 metres on its long hind legs.
• The male calls underwater, with no visible vocal sacs.
• It is mostly terrestrial and active by day, unusual for a frog.

Skeleton type

Vertebrate - internal bony skeleton (amphibian)

Habitat & environment

Damp woodland and meadows near water across much of Europe, absent from the far north of the continent

Birth weight

Eggs laid in submerged jelly masses

Size at birth

A tadpole after hatching, completing metamorphosis in some 102 days at a size of 10 mm

Sexual maturity

2 years (some males mature in their first year)

Gestation / incubation

102 days of larval development after hatching

Litter / clutch size

450 to 1,800 eggs per clutch (some sources give 1,434 as the reference figure)

Sources consulted: World Species; ResearchGate (Iberian Peninsula growth maturity study); ScienceDirect (growth size maturity study); GoneFroggin; Lifeamphicon.eu

Best time: From February to April, during spawning, when it lays masses of eggs anchored to submerged branches in ponds and forest ditches.