Archives for posts with tag: mammals

Domestic cats in the US kill between 1.4 billion and 3.7 billion birds a year, and between 6.9 billion and 20.7 billion mammals a year, though most of these are feral cats.

Read the original paper in Nature Communications.

Dinosaurs were not necessarily all cold-blooded – researchers have found similar bone structures in mammals as are seen in dinosaurs. This dark layer, called fibromellar tissue, indicates periods of fast growth.

Read the original paper in Nature.

The Map of Life is an interactive website that maps fish and land-based vertebrates around the world to create a searchable map. Later in the year there will be more species added, including plants and invertebrates.

See the report in Nature.

Whales and dolphins can focus beams of sound. They use echolocation, and focusing a stream of clicking sounds allows them to study things in detail.

Young pygmy goats develop accents as they grow up. This could help them identify other members of their groups. The other mammals with accents are bats, humans and whales.

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