Montane guinea pig Montane guinea pig The montane guinea pig, "Cavia tschudii", a type of rodent, is a guinea pig species from the Andes in South America. The montane guinea pig is the likely ancestor of "Cavia porcellus", the cavy or domestic guinea pig. Peruvian wild guinea pigs were first described by E. T. Bennett in 1835, who termed them "Cavia cutleri". Johann Jakob von Tschudi, in an 1845 publication, used the term "Cavia cutleri" to refer to what are now considered two separate entities - the first, Bennett's "Cavia cutleri", which was later (by Oldfield Thomas in 1917) identified as probably a
Peruvian booby allow for a fairly high density of booby nests. Female Peruvian boobies have a range of vocalizations; from trumpet-like quacks to honks. The male booby, on the other hand, tends to whistle. This kind of auditory communication is unique to adult members of the species, as it takes a few years to be able to produce such vocalizations. The diet of the Peruvian booby consists primarily of anchovy, particularly Peruvian anchoveta. However, there is some variation in their diet based on their life stage. As well as anchovy, they are also documented to eat mackerel, depending on the relative abundance