Primates spend a lot of time taking care of one another. This activity, called grooming, helps strengthen social bonds and reduce tensions. They also exchange...
River fish often have to swim against the current, which requires very powerful musculature. Their muscles are specially adapted to provide continuous and intense effort. The muscles...
Carnivorous plants are fascinating. Unlike most plants that derive their energy from the sun through photosynthesis, they supplement their diet by catching and digesting insects. This gives...
Seals have a thick fur that protects them from the cold. This fur consists of two layers: an outer layer of coarse hair and a...
Giraffes have really long necks, and these necks are not just for show. They contain the same number of cervical vertebrae as we humans do, which is...
During the breeding season, birdsong plays a vital role. Males sing to attract females. The more complex the song, the better it is to demonstrate...
Male seahorses have developed a brood pouch to ensure the survival of their young. This unique parental role allows males to protect the eggs from...
Some species of spiders wrap their prey in silk for several reasons. First, this quickly and effectively immobilizes them, preventing any escape or counterattack from...
Male Betta fish are known for their aggressive territorial behavior. They establish and fiercely defend their territory, ready to fight off any intruder, whether it...
Jellyfish do not have an external skeleton, nor a shell, nor a rigid carapace. This makes them very flexible. They can pass through very narrow...