Squirrels of the World, written by scientists with more than 100 years of collective experience
studying these popular mammals, is the first comprehensive examination of all 285 species …

Ribosomal DNA (rDNA) loci encoding 5S and 45S (18S-5.8 S-28S) rRNAs are important
components of eukaryotic chromosomes. Here, we set up the animal rDNA database …

Rodents constitute one of the most diversified mammalian orders. Due to the morphological
similarity in many of the groups, their taxonomy is controversial. Karyotype information …

Background Recent advances in comparative genomics have considerably improved our
knowledge of the evolution of mammalian karyotype architecture. One of the breakthroughs …

Understanding ageing and the diversity of life histories is a cornerstone in biology.
Telomeres, the protecting caps of chromosomes, are thought to be involved in ageing …

Here we present an extensive survey for non-volant mammals along the margins of the
Jequitinhonha River, which represents a contact area between the Cerrado and Atlantic …

La ardilla de vientre rojo (Callosciurus erythraeus) es originaria del sudeste asiático y desde
1973 ha establecido una población silvestre en la provincia de Buenos Aires, Argentina. En …

Abstract Fire ants (Solenopsis invicta Buren in J Ga Entomol Soc 7: 1–26, 1972), an invasive
alien ant species, first spread from South America to the United States in the 1930s, the …

Karyotypes of seven males and three females of the Persian squirrel, Sciurus anomalus,
were analyzed with G-and C-banding techniques and Ag-NOR (nucleolus organizer region) …

Rhagomys rufescens (Rodentia: Sigmodontinae) is an endemic species of the Atlantic forest
from Southern and Southeastern Brazil. Some authors consider Rhagomys as part of the …