Geophagy, the ingestion of earth varying in particle size from stones to soils rich in clay, is a
relatively widespread behaviour across avian taxa. We reviewed its occurrence in birds and …

Oil has been extracted from the Northern Peruvian Amazon for over four decades. However,
few scientific studies have assessed the impacts of such activities in the environment and …

Across the globe, unprecedented declines have been reported across a range of taxa.
Among the most well documented are declines in bird populations, with most declines …

Daily activity patterns of most Neotropical mammals are not well described although general
patterns (nocturnal, diurnal) are known. yet general categories often do not reflect variation …

Mineral licks are key ecological resources for many species of birds and mammals in
Amazonia, providing essential dietary nutrients and clays, yet little is known about which …

The Ctenohystrica is one of the three major lineages of rodents and contains diverse forms
related to gundis, porcupines, and guinea pigs. Phylogenetic analyses of this group using …

Phylogenetic analyses of cytochrome-b sequence data from 13 of the 15 currently
recognized species of New World porcupines were used to test competing taxonomic …

Life of terrestrial vertebrates depends on the maintenance of water and salt in the
extracellular compartment (“internal milieu”) within strictly regulated boundaries …

Lead levels and isotopic fingerprints in 315 free-ranging animals belonging to 18 wild game
species in four remote areas of the Peruvian Amazon provide a comprehensive picture of …

Sodium (Na) plays a critical role in the functioning of terrestrial ecosystems. In Na‐poor
regions, plant consumers may experience Na deficiency and adapt by seeking …