Udzungwa Forest Partridge     Xenoperdix udzungwensis
sc Tanzania: Eastern Arc Mountains of Iringa province, Udzungwa Mountains
insert after: Perdicula manipurensis
Lars Dinesen, Thomas Lehmberg, Jens Otto Svendsen, Louis A. Hansen & Jon Fjeldså,
A new genus and species of perdicine bird (Phasianidae, Perdicini) from Tanzania: a relict with Indo-Malayan affinities
Ibis 136, 1 (1994): 2-11
 

More information on this taxon can be found here.

Gunnison Sage-Grouse     Centrocercus minimus
U.S.A.: Colorado & Utah, Gunnison Basin
insert after: Centrocercus urophasianus
Clait E. Braun & Jessica R. Young,
A new species of sage grouse in Colorado
Wilson Ornithological Society (1995)