Related topics: whales

Whales' eyes offer glimpse into their evolution from land to sea

University of Toronto researchers have shed light on the evolutionary transition of whales' early ancestors from on-shore living to deep-sea foraging, suggesting that these ancestors had visual systems that could quickly ...

Eavesdropping on whales in the high Arctic

Whales are huge, but they live in an even larger environment—the world's oceans. Researchers use a range of tools to study their whereabouts, including satellite tracking, aerial surveys, sightings and deploying individual ...

A whale's tale: The story hidden in their mouths

Baleen plates—the signature bristle-like apparatus toothless whales use to feed—reveal how these large aquatic mammals adapt to environmental changes over time.

Baleens read like a whale's history book

By chemically analyzing sequential samples from the baleen of dead whales, it is possible to read not only the history of the diet, but also the migration route of the animals. In the latest issue of the journal Royal Society ...

Dental crowding: Ancient baleen whales had a mouth full

A strange phenomenon happens with modern blue whales, humpback whales and gray whales: they have teeth in the womb but are born toothless. Replacing the teeth is baleen, a series of plates composed of thin, hair- and fingernail-like ...

Weddell Sea: Whale song reveals behavioral patterns

Until recently, what we knew about the lives of baleen whales in the Southern Ocean was chiefly based on research conducted during the Antarctic summer. The reason: in the winter, there were virtually no biologists on site ...

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