Ermine represents the winter coat of the stoat, which is white with a black tail.
From the en.wikipedia.org
I saw a baby stoat for the first time on a trail in Cratloe Wood, in Co Clare.
From the irishtimes.com
This was an ask stoat question, and probably a fairly easy one, so I'll have a go.
From the scienceblogs.com
Prometheus is the most expensive, beautiful looking stoat the world has ever seen.
From the forbes.com
The cobra and the mongoose, the rabbit and the stoat, Sunderland and Everton.
From the independent.co.uk
He can get stoat DNA from hairs left in traps and tunnels, even dead birds.
From the nzherald.co.nz
As his last name suggests, he is a stoat and wears bedroom slippers rather than shoes.
From the en.wikipedia.org
Veale doesn't blame the stoat, brought here in the late 19th century to combat rabbits.
From the nzherald.co.nz
Last year, a stoat was found on Rangitoto Island, more than three kilometres off Auckland.
From the independent.co.uk
More examples
The ermine in its brown summer coat with black-tipped tail
The stoat or ermine, Mustela erminea, is a small predatory mammal of the family Mustelidae. It is also known as a Shorttail (or Short-tailed) Weasel and less frequently as the ermelin. ...
A small thin furry animal which has brown fur in summer and white fur in winter.
Or Stoatface: Derogatory term for a rail enthusiast or 'Normal' who has facial hair and may or may not dress in an unconventional style and have questionable personal hygiene.
Where a weasel changes its colouring by developing into a different yet related complaint.