sentence: Dragons can also recognize individual humans.
sentences_before: Many dragons in zoos may become tamer than wild lizards within a short period of time in a zoo. Many zoo keepers have brought the animals out of their cages to meet visitors without any problems.
sentences_after: However, even dragons that seem tame may surprise people and become aggressive. This can often happen when a stranger enters the animal's home.
concept_name: dragon
headings: Komodo dragon Komodo dragons and people In zoos
categories: Lizards