Editing Nearctic realm (section)

===Flora and fauna endemic to the Nearctic===
Two [[mammal]] families are endemic to the Nearctic, the pronghorns ([[Antilocapridae]]) and the mountain beaver ([[Aplodontiidae]]).<ref>{{cite web | url=https://www.guwsmedical.info/mammals/nearctic.html | title=Nearctic - Mammals | date=22 July 2021 }}</ref> The Holarctic has four endemic families of birds: [[Loon|divers]] (Gaviidae), [[grouse]] (Tetraoninae), [[auk]]s (Alcidae), and the [[waxwing]]s (Bombycillidae). The scarab beetle families [[Pleocomidae]] and [[Diphyllostomatidae]] ([[Coleoptera]]) are also endemic to the Nearctic. The fly species ''[[Cynomya cadaverina]]'' is also found in high numbers in this area.

Plant families endemic or nearly endemic to the Nearctic include the  [[Crossosomataceae]], [[Simmondsiaceae]], and [[Limnanthaceae]].