The respiratory system of birds has unique structures that cause fresh air to flow into the lungs in only one direction, a capacity that allows them to cope with the large amounts of energy required by flight.
More than 22,000 species are in danger of extinction around the world, according to the latest update of the Red List of the International Union for Conservation of Nature that celebrates its 50th anniversary in 2014. Among the new species that become part of this sad list, are the puffer fish, the giant chameleon with blade horns or the Chinese cobra.
In various species of mammals, many offspring are in danger of being killed by a new dominant male in the group who wants to breed his own offspring. This is, in fact, the leading cause of infant mortality among species such as Chacma baboons (Papio ursinus).
The citizen science project AtrapaelTigre.com, with which various Spanish entomologists collaborate and whose objective is to study and track the tiger mosquito in our country, launched the Tigatrappas mobile application in June 2014.
A team of researchers from the Department of Integrative Biology at the University of Austin has discovered that in just 15 years some lizards that live on some Florida islands have undergone an accelerated evolutionary process.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
