The average dairy cow produces 9500 liters of milk a year. To produce high-quality milk, they eat about 50 kg of food every day.
Referring to the number above, a daily production for 1 cow = 25 liters per day, that's 25 boxes of milk of 1 liter each!!
Lobsters, like snails and spiders, have blue blood due to the presence of hemocyanin, which contains copper. The blood is colorless until exposed to oxygen when it turns a tint of blue. The blue hue is due to the hemocyanin, which the lobster’s body uses to transport oxygen.
The giraffe's tongue is long, from 45 to 50 cm, it has a dark color, a bluish-violet color, due to the quantity of melanin present, which protects it from the sun.
The saliva produced by the giraffe also has antiseptic properties and this is useful for disinfecting the rare cuts that the animal can obtain by eating; also, the giraffe uses these antiseptic and prehensile properties of its tongue to regularly clean its ears.