Characterizing species occurrence, abundance, and distribution is critical to the
management of natural resources and the conservation of biodiversity. In the Western …

Natural hybridization may result in the exchange of genetic material between divergent
lineages and even the formation of new taxa. Many of the Neo-Darwinian architects argued …

We present a review of the aquatic mammal species occurring in the Mexican Caribbean.
Several published sources were reviewed to find information about aquatic mammals …

A negative relationship between cetacean body size and tonal sound minimum and
maximum frequencies has been demonstrated in several studies using standard statistical …

Four types of tetraphyllidean larvae infect cetaceans worldwide: two plerocercoids differing
in size,'small'(SP) and 'large'(LP), and two merocercoids referred to as Phyllobothrium …

Potential competition for food resources between marine mammals and fisheries has been
an issue of much debate in recent years. Given the almost cosmopolitan distributions of …

The dalatiid genus Isistius Gill (1864) has three valid species currently recognized in the
literature: Isistius brasiliensis Quoy & Gaimard (1824), I. plutodus Garrick & Springer (1964) …

The evolution and distribution of species body sizes for terrestrial mammals is well-
explained by a macroevolutionary tradeoff between short-term selective advantages and …

Because whistles are most commonly associated with social delphinids, they have been
largely overlooked, ignored, or presumed absent, in solitary freshwater dolphin species …

This review is an attempt to summarize the existing information in the literature on
distribution of small cetaceans in the region, by species and by country. A constraint on the …