Definition of Abert's squirrel in US English:

Abert's squirrel

(also Abert squirrel)


  • A tree squirrel, Sciurus aberti, found in pine forests of southwestern North America, which is dark grey with pale undersides and distinctive long black ear tufts.


Mid 19th century. In some forms from the genitive of the name of John James Abert, a topographical engineer in the U.S. army + squirrel. In some forms from the name of Abert + squirrel.