One of the most poisonous animals in the world is the Box Jellyfish. Their tentacles can reach ten feet long, and their body about the size of a basket ball. Depending on the size and age of the human, death can occur in less than a few minutes.
There are three birds that are considered poisonous. The Hooded Pitohui, aka, The Garbage Bird, it is "Pitohui dichrous", the Ifrita, it is "Ifrita kowaldi", and The Little Shrike-thrush, it is "Colluricincla megarhyncha". There is a toxin that is stored in their feathers and skin, probably from something they eat, it's suggested a beetle. I don't know if one is more poisonous than the other or not. For more details see sites listed below.
The "scientific" name for dragon is draco. Most "scientific" dragon names have it. e.g. Draco orientalis magnus (oriental dragon), Draco montana (tibetan dragon), Draco marsupialis (marsupial/australian dragon)
Many sea animals belong to the domain Eukarya, which includes most complex organisms. This domain includes animals such as fish, dolphins, whales, seals, sea turtles, sea lions, and various invertebrates like jellyfish, octopuses, crustaceans, and corals. It encompasses a wide range of sea-dwelling organisms with diverse characteristics and adaptations.
The scientific or taxonomic name would be Sedum purpureum.
The species of an animal is the most common name for an animal so the sea lion is the species name. They area member of the eared seals known as Oteriidae.
The box jellyfish is considered one of the most poisonous creatures on Earth. Its venom can cause a very painful and potentially deadly sting to humans if you encounter one. However, it's important to note that "most poisonous" can vary depending on factors such as delivery method and toxicity level.
Your average mosquito.
the most poisonous is the beaked sea snake
Dart Frog
daddy long leg spider
Pufferfish is one of the most poisonous fish in the world.
sharks
tiger shark
...
most do but some maynot
Piranna
A dorado