Animals

The breeding season of kiwi birds lasts from late winter to early summer.

They use many senses to hunt, but hearing is the most important.

The circulatory system of snails is open. This means that hemolymph (equivalent to blood) is pumped into the body cavities surrounding the internal organs.

Although their fins give them speed in the water, seals move slowly and clumsily in the terrestrial environment.

It is the smallest of pythons found in Africa.

The global population of the mallard duck is estimated at 19 million individuals.

They can also make their colors more vibrant due to camouflage, communication or as a response to humidity, temperature, light, etc.

The sperm whale’s brain is the largest in the world, five times the size of a human brain.

Thanks to these properties of the saliva, leeches, especially the medicinal leech (Hirudo medicinalis), are used in hirudotherapy.

It is approximately 6 – 20 millimeters (0.24 – 0.79 inches) tall.