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Resistance to extinction versus extinction as discrimination

Journal of the Experimental Analysis of Behavior, 2021
The hypothesis that response strength might be measured by persistence of responding in the face of extinction was discredited in the 1960s because experiments showed that responding persists longer following intermittent reinforcers than following continuous reinforcers.
Matthew C. Bell, William M. Baum
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Extinction

BioEssays, 2000
In the life of any species, extinction is the final evolutionary process. It is a common one at present, as the world is entering a major extinction crisis. The pattern of extinction and threat is very non-random, with some taxa being more vulnerable than others.
A, Purvis, K E, Jones, G M, Mace
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Extinctions? What extinctions?

New Scientist, 2021
There are a growing number of people who deny the threats that many species face.
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Extinct or Possibly Extinct?

Science, 2006
Lists of extinct species often act as “wake-up calls” and are based on the length of time since the last sighting, resulting in numerous species having been prematurely classified as being extinct only to be rediscovered ([1][1]). This not only provides ammunition for environmental sceptics (D.
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Speciation-by-Extinction

Systematic Biology, 2023
Abstract Extinction is a dominant force shaping patterns of biodiversity through time; however its role as a catalyst of speciation through its interaction with intraspecific variation has been overlooked. Here, we synthesize ideas alluded to by Darwin and others into the model of “speciation-by-extinction” in which speciation results ...
Glenn F Seeholzer, Robb T Brumfield
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