Huldra

'Huldra' by Theodor Kittelsen (1857-1914)

In Scandinavian folklore, the Huldra is a seductive forest creature.
Often it's a female but it should be noted that male hulders do
appear. They often often lures humans in a charming way but both
male and female hulder could be revealed as rather ugly when the
glamour was lifted from them. The female huldra is a stunningly
beautiful, sometimes naked woman with long hair; though from
behind she is hollow like an old tree trunk, and has an animal's tail

Read more here!

by Per Daniel Holm -'Svenska folksägner', Herman Hofberg, 1882

A huldra is talking with a collier. She looks like a young farmer woman,

but her tail is peeking out under her skirt. The huldras were held to
be kind to colliers, watching their charcoal kilns while they rested.
Knowing that she would wake them if there were any problems,
they were able to sleep, and in exchange they left provisions for her
in a special place.

Bernard Evans Ward (1857-1933):
'Huldra's Nymphs', 1909

Theodor Kittelsen (1857-1914): 'Huldra forsvant'

(The Huldra that disappeared)

'Huldra', 1882
by Theodor Kittelsen (1857-1914)

John Bauer (1882-1918): 'Huldra'