Woolly Woolly West

According to Merriam Webster, woolly is

Main Entry:
wool·ly
Variant(s):
also wooly \ˈwu̇-lē\
Function:
adjective
Inflected Form(s):
wool·li·er; wool·li·est
Date:
15th century

1
a: resembling wool b: of, relating to, or bearing wool

2
a: lacking in clearness or sharpness of outline <a woolly TV picture>
b: marked by mental confusion <woolly thinking>

3: marked by boisterous roughness or lack of order or restraint <where the West is still woolly — Paul Schubert>

—used especially in the phrase wild and woolly
— wool·li·ly \-lə-lē\ adverb
— wool·li·ness noun

Often associated with animals such as:

A Woolly Mammoth,

A Woolly Monkey,

Or, a Woolly Opossum!

(There are many more woolly animals)