The Victorian album contains 19 pictures of the father of evolutionary theory.
The longer the neck, the greater the damage to the opponent.
Until Europeans first came across platypuses and echidnas, which are sometimes called spiny anteaters, in the 1790s, it had been believed that all mammals give birth...
The notepads were anonymously returned in a pink gift bag with a note saying: "Librarian Happy Easter X."
The previously unseen four page note is the only known document where Darwin discusses the challenging evolution of the flatfish, and is signed "Ch. Darwin."
Its face, neck, belly and rump is white to help it hide in snowy habitats. The arms and legs are black, making it hard to spot...
Darwin wondered about changes in bird beaks on the Galapagos Islands during his famous voyage around the world in 1831-1836