The northern Idaho ground squirrel is a species of the largest genus of ground squirrels. This species and the Southern Idaho ground squirrel were previously considered conspecific, together called the Idaho ground squirrel.
The brown titi, Plecturocebus brunneus, is a species of titi, a type of New World monkey, from South America. It is found in Brazil, Peru, and Bolivia. It was originally described as Callicebus brunneus in 1842.
The brown catshark is commonly found in the Pacific Ocean, ranging from the northern Pacific waters off the coast of British Columbia and south to the Baja California peninsula in Mexico. They may live as far south as Ecuador and Peru. Brown catsharks are deep-water sharks that live on the outer continental shelf and the upper slope. They have been known to live at depths ranging from 30 to 650 m and live on the bottom, usually in muddy or sandy areas. The brown catshark, when originally described, was called Catulus brunneus.
The Angolan slaty flycatcher is a small passerine bird in the flycatcher family Muscicapidae. It is sometimes placed in the genus Dioptrornis instead of Melaenornis. As suggested by its common name, it is endemic to Angola.
Chorthippus brunneus, a member of the subfamily Gomphocerinae, are more commonly referred to as the common field grasshopper. They were first described by Thunberg in 1815 and also are known as Gryllus brunneus although this name is not adopted in the literature. The IUCN lists C. brunneus as Least Concern.
The dark-brown serotine is a species of vesper bat found in Central and West Africa.
Neoromicia is a genus of vesper bat in the family Vespertilionidae. It contains the following species:
Zygodontomys brunneus, also known as the brown zygodont, brown cane mouse, or Colombian cane mouse, is a rodent species in the genus Zygodontomys of tribe Oryzomyini. It is found only in Colombia.
Zygodontomys is a genus of rodent in the tribe Oryzomyini of the family Cricetidae. Its closest relative may be Scolomys. It ranges from Central America east to the Guianas. It contains two species: Zygodontomys brunneus and Zygodontomys brevicauda.
The Fernando Po speirops, also known as the Bioko speirops, is a species of bird in the family Zosteropidae. It is endemic to Bioko Island in Equatorial Guinea.
The Maule tuco-tuco is a species of rodent in the family Ctenomyidae. It is found in Argentina and Chile where it occupies several different types of habitats. It is a common species and the IUCN has assessed its conservation status as being of "least concern". The common and scientific names refer to a river and region in Chile within its range.
Temnothorax brunneus is a species of ant in genus Temnothorax, that can be found in Algeria and Morocco.
Lyctus brunneus is a species of beetle in the family Bostrichidae. It is a member of the subfamily Lyctinae, the powderpost beetles. It is known commonly as the brown powderpost beetle or brown lyctus beetle. Today it is distributed worldwide but it was probably originally native to the Neotropical region.
Chicoreus brunneus, common name the adusta murex, is a species of predatory sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails.
Copelatus brunneus is a species of diving beetle. It is part of the genus Copelatus of the subfamily Copelatinae and the family Dytiscidae. It was described by J. Balfour-Browne in 1939.
The Pacific spoon-nose eel is an eel in the family Ophichthidae. It was described by José Luis Castro-Aguirre and Sergio Suárez de los Cobos in 1983, originally under the genus Notophtophis. It is a marine, tropical eel which is known from the eastern central and southeastern Pacific Ocean, including the Gulf of California, Colombia, Mexico, Costa Rica, Nicaragua, Ecuador and Panama. It dwells at a maximum depth of 10 metres (33 ft), and inhabits sand and mud sediments. Males can reach a maximum total length of 140 centimetres (55 in), but more commonly reach a TL of 60 centimetres (24 in).
Thomas's Ethiopian brush-furred rat, also called the brown brush-furred rat or the brown brush-furred mouse, is a species of brush-furred mouse from Southern Ethiopia.
Ramularius pygmaeus is a species of beetle in the family Cerambycidae. It was described by Per Olof Christopher Aurivillius in 1908.
Ramularius unicolor is a species of beetle in the family Cerambycidae. It was described by Breuning in 1940.
Ramularius uniformis is a species of beetle in the family Cerambycidae. It was described by Breuning in 1939.
