The word that could summarize the sentence in Spanish, taking into account the context and the current situation of the animals is: extintos.
Concern about the Extinction of Animals
The sentence in Spanish indicates a great concern because some animals and plants are no longer on the planet, this is called extinction and has many factors such as indiscriminate hunting, habitat loss and even global warming.
Extinct animal species include the dodo, the Yangtze River dolphin, and the Tazmanian tiger.
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