Sentence examples for have become extinct from inspiring English sources

Of these, 21 have become extinct in the past century, and another 120 species are in danger of extinction.

Ostriches have become extinct.

Lions and rhinoceroses have become extinct in the region.

And as old species have become extinct, new ones have been evolving.

This isn't to say that strong-minded managers have become extinct.

Of the species that have become extinct, five were endemic at the species or subspecies level.

Species that could not adapt to more open and arid condition would have become extinct.

Several breeding colonies have become extinct due to introduced animals such as goats.

According to the rule-of-thumb, half of all its species should have become extinct.

"Already, giraffes have become extinct in more than seven African countries.

At least a dozen bird species have become extinct, and several more are endangered.