How some species can go extinct twice and why we should care:
) found that school children who live in the Curaçá municipality of Brazil, which is part of this parrot’s former range, erroneously think this species is found in Rio de Janeiro, because of its appearance in the animated film, But in contrast to the Spix’s macaw, most species never have the opportunity to become societally extinct because most people may never have been aware of them in the first place.
“This is common in uncharismatic, small, cryptic, or inaccessible species, especially among invertebrates, plants, fungi and microorganisms — many of which are not yet formally described by scientists or known by humankind”, Dr Roll said. “They suffer declines and extinctions in silence, unseen by the people and societies.
Shifting baseline syndrome describes the psychological and sociological phenomenon whereby people constantly lower their thresholds for accepted environmental conditions. In the absence of past information or experience with historical conditions, each new generation accepts the increasingly impoverished situation into which they are born and raised as being normal .
“Not being aware that species were there and have since gone [extinct] can produce a false perception of the severity of threats to biodiversity, leading us to underestimate true extinction rates”, Dr Jarić explained in email. “It can reduce our will to pursue ambitious conservation goals. For example, it could reduce public support for rewilding efforts, especially if such species are no longer present in our memory as natural parts of the ecosystem.
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