My sister and brother-in-law lived in East Africa for 3 decades. We heard many personal stories from them. Hippos are visible and can be avoided easily. Crocs are hard to see since most of their bodies are under water. Mosquitoes are not animals. I was talking about animals, not insects.
Are Insects Animals? - Earthpedia - Earth.com
Despite their alien appearance, insects are animals, just like you and me. Insects share the kingdom Animalia with all animals on earth.
Mosquitoes
Humans
Snakes
Dogs
Are the top 4 deadliest animals on earth, Nile Crocodiles aren’t in the top ten. Assisting Bugs, tsetse flies and tapeworms are deadlier than Nile Crocs. Just saying’!
Mosquitoes are invertebrate animals. In fact, the vast majority of animals are invertebrates. Surely you know this.