he world is getting warmer, creating an extinction threat for many species. According to NASA, since 1880 the Earth’s global temperature has risen by nearly one degree Celsius.
Audacious as such dispersals may seem, these peripatetic carnivores can’t help making them. This behavior is imprinted in their DNA, in the shape of their bodies, and in how their minds work. Moreover, they do it with casual grace, as if such heroic dispersals amounted to just another day in their lives.