Animals

Saturday, 16 May 2026
23 facts about Narwhal
23 facts about Narwhal
Sea unicorn
Monodon Monoceros, or single-tooth narwhal, is the only representative of the genus Monodon from the Monodontidae family. These relatively small mamma ...

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Bull snake
Bullsnake males are larger than females.
This is not common in snakes, as only about 14% of snake species have males larger than females.
Southern cassowary
Southern cassowary is most common of three cassowary species alive.
It is also the largest and heaviest one. Scientific name of southern cassowary is Casuarius casuariu ...
Pink river dolphin
Botos can rotate their head 180 degrees.
It is due to unfused vertebrae in their necks.
Lemon shark
Its eyesight is poor, thus it relies on electroreceptors called ampullae of Lorenzini.
However, their eyes possess both rods and cones, thus they are capable of seeing shapes and colors.
Butterflies
The larval form of the butterfly is the caterpillar.
Their food is most often soft parts of plants. However, there are also carnivorous and even cannibal caterpillars. The caterpillar is the only developmental stage of the insect in which it grows.
Ocean sunfish
They are an endangered species.
IUCN classifies those fish as vulnerable (VU) as the population is decreasing. They are getting caug ...
True seals
Depending on the species, seals may use different foraging tactics.
Some are filter feeders and feed on krill, while others suck small prey into their mouths or grab la ...
Brittle stars
Brittle stars appeared on Earth in the early Ordovician era about 500 million years ago.
The oldest known representative of the group is Pradesura jacobi, which lived between 478,6 to 644 m ...
Blue tang
Fertilized eggs, that measure up to 0,8 millimeters, hatch within 24 to 26 hours.
Juveniles are called larvae and occupy the coral habitat until they mature. Maturity is not measured ...
Hummingbirds
The hummingbird's tongue is made up of two tubes that branch, stretch, and expose lamellae that "catch" liquid food during feeding.
Knowledge of how hummingbirds obtain their food only became widespread in 2011, following the public ...