### **Alpine Newt (*Mesotriton alpestris*)**
Often described as the "jewel of the uplands," the Alpine Newt is perhaps Europe’s most stunning amphibian. To encounter a male in full breeding plumage is a highlight for any naturalist.
Identification
Reaching 8–12 cm, this species is unmistakable. During the aquatic phase, males sport a **marbled, slate-blue to midnight-black back** and a low, un-notched crest of alternating yellow and black bars. The most reliable field mark is the **vibrant, unspotted orange-to-red belly**, which distinguishes it from the Smooth Newt (*Lissotriton vulgaris*), whose belly is heavily spotted. Females are more subtle, featuring a mottled grey, green, or brownish "marble" pattern on their backs, but they retain that signature fiery underside.
Habitat & Range
While its name suggests high altitudes, this newt is a versatile inhabitant of Central and Southern Europe. It thrives in cool, shaded deciduous forests and alpine meadows, ranging from sea level to over 2,500 meters in the Alps. Look for them in clear, still waters—typically mountain lakes, cattle troughs, or woodland ponds with plenty of submerged vegetation for egg-laying.
Behaviour
Primarily nocturnal on land, these newts become charismatic exhibitionists during the spring breeding season. In the water, males perform an elaborate "nuptial dance," curving their bodies and fanning their tails to waft pheromones toward a female. Outside of the breeding season, they are secretive, hiding under logs and leaf litter to stay moist.
Diet
They are opportunistic predators. In the water, they hunt daphnia, insect larvae, and even the tadpoles of other amphibians. On land, they use their sticky tongues to snatch up earthworms, slugs, and small beetles.
Fascinating Fact
The Alpine Newt is a master of "facultative paedomorphosis." In certain high-altitude populations, some individuals reach sexual maturity while retaining their larval gills and staying entirely aquatic, never "growing up" to live on land!