Phylogeography is a discipline concerned with various relationships between gene
genealogies—phylogenetics—and geography. The word “phylogeography” was coined in …

Working memory represents the ability of the brain to hold externally or internally driven
information for relatively short periods of time,. Persistent neuronal activity is the elementary …

Most analyses of the relationship between group size and food intake of social carnivores
have shown a discrepancy between the group size that maximizes energy intake and that …

Killer whales from the coastal waters off California through Alaska were compared for
genetic variation at three nuclear DNA markers and sequenced for a total of 520 bp from the …

The existence of nearshore and offshore populations of the bottlenose dolphin has been
documented throughout its range. In several cases the two regional forms have been shown …

Whale displacement by acoustic “pollution” has been difficult to document, even in cases
where it is strongly suspected, because noise effects can rarely be separated from other …

Killer whales (Orcinus orca) feed on a wide variety of fish, cephalopods, and marine
mammals throughout their cosmopolitan range; however, the dietary breadth that …

Sympatric populations of two forms of the common dolphin, currently recognized collectively
as Delphinus delphis Linnaeus, occur in several areas of the world's oceans. A molecular …

Predation is a major force in shaping the behaviour of animals,,, so that precise identification
of predators will confer substantial selective advantages on animals that serve as food to …

The cosmopolitan killer whale Orcinus orca feeds on a wide variety of prey types over its
global range, but in at least some regions, genetically distinct and ecologically specialised …