Sentence examples for considered extinct from inspiring English sources

The subspecies found in Martinique (Fig.  1) was declared on the verge of extinction in 1905, then considered extinct in 1950, but managed to survive and seems to be slowly increasing its population in spite of adverse conditions.

At densities below the critical threshold (a) there is negative population growth declining to extinction (from here on the population is considered extinct below a cutoff density of 0.0001, as a declining population trajectory will only asymptotically approach zero in a deterministic model; Gomulkiewicz and Holt 1995); otherwise the population will reach carrying capacity.

A decade later it was considered extinct in the west African country.

By the end of the 1940's, the Jamaican iguana was generally considered extinct.

González-Maya said it was likely other species currently considered extinct persisted in lonely relict populations.

Their decline began in the 1800s and were considered extinct in the 1920s.

We also excluded all species that are considered extinct in the wild.

The pigeon has not been seen since 1904, and is considered extinct.

A further 875 species are considered extinct including 66 that are extinct in the wild.

The sample includes a new species of antelope from a lineage considered extinct outside of Africa since the Early Pleistocene.

In these circumstances the appearance of a cat was nothing short of miraculous - the re-emergence of a creature long since considered extinct.