This is Croatobranchus mestrovi, a leech that lives 1.3km below sea level and doesn't want to suck your blood. The leech's milky colour and lack of eyes comes from living exclusively in the freezing groundwater and darkness of one of the deepest caves in the world, located in Croatia. They were found in shallow water attached to rocks, with their extra-wide, tentacle-surrounded mouths facing the current.

Phillipsia subpurpurea is a species of fungus in the family Sarcoscyphaceae. It is found in Australia where it grows as a saprophyte on wood. It's cup-shaped fruit bodies lack stipes and have purplish interior surfaces.

Known an fibrodysplasia ossificans progressive, or FOB for short, this disease can suddenly turn a person’s tissues and muscles into bone, thereby permanently immobilizing parts of the bodies. Joints such as elbows or ankles may become frozen in place; jaw motion can be impeded and the rib cage fixed, making eating or even breathing difficult. Currently, no cure exists to combat this rare condition.

This is Zeus, a blind Western Screech Owl whose eyes look like forming galaxies. The stellar effect is likely caused by chunky vitreous strands in his eyes. The handsome owl was found injured in Southern California and now lives at the Wildlife Learning Centre in Los Angeles.

Eucalyptus deglupta, commonly called rainbow eucalyptus, is a very large, fast-growing, broadleaved evergreen tree that is native to moist humid tropical forested areas with high rainfall in New Guinea, Indonesia and the Philippine Islands (Island of Mindanao).

It is perhaps best noted for its smooth orange-tinted trunk bark which peels in summer to reveal a unique and sometimes stunning multi-colored bark (as described by the common name of rainbow eucalyptus) consisting of streaks of pale green, red, orange, gray and purple-brown. ...

This frog (Breviceps namaquensis) sounds like a bike horn.

Sunda pangolins have become the most frequently seized mammal in the illegal wildlife trade in Asia, as smugglers sell the creatures to meet culinary and medicinal demand. These gentle insectivores are now on the endangered species list.