More solitary than toothed whales, baleen whales face predatory attacks from killer whales, especially mother and calf pairs. When attacked, some species fight back, while others choose flight.

Whales, the majestic giants of the ocean, have a remarkable evolutionary history that dates back over 50 million years.Once land-dwelling creatures that walked on four legs, these marine mammals ...

Researchers have identified a 33-million-year-old whale fossil that may represent the missing link between toothed and baleen whales, according to a study published today (November 29) in Current ...

Some whales, like sperm whales and beaked whales, are classified as "toothed whales" because they have teeth. Baleen whales, on the other hand, have large, comb-like "baleen plates" that are made ...

Whales are weird. The Cetacea clade contains the largest animal to ever live—the blue whale—as well as other gigantic baleen whales and a diverse array of toothed whales, including dolphins, porpoises ...

Despite the absence of teeth, modern baleen whales retain copies of tooth-specific genes, such as enamelin, in their genomes; these unnecessary genes, which were inherited from toothed ancestors ...

The millions-year-old specimen discovered by a fossil enthusiast on the Gaviota Coast may be a never-before-found genus or ...

Blue whales, which have baleen plates, feed by taking huge mouthfuls of water ... for small schooling fish such as herring and anchovies. Dolphins are part of the toothed whale group (Odontoceti), and ...

Now imagine that each weighs more than the bus itself. That’s Rice’s whale, the only resident baleen whale in the Gulf of Mexico—and one of the most endangered whales in the world.

Baleen whales are among the largest creatures in the ocean, but that doesn’t mean they’re safe from other animals. A pod of orcas can take a giant baleen whale down, and these filter-feeders ...

Today, whales are divided into two main groups: the baleen whales and the toothed whales. Baleen whales, such as humpbacks and blue whales, have fibrous 'baleen' plates that help them filter large ...