Comment by jodacola

My knee-jerk reaction to this was, "sigh, more extinct species" - however, "lost species" in this context, as I learned from this paper, means:

> Herein, we define ‘lost species’ as those with no confirmed observation record within the past decade.

Confirmed from another source [0], which attempts to formalize the language (not that long ago!).

[0] https://www.cambridge.org/core/journals/oryx/article/lost-bu...