Diario del proyecto Butterflies of California

Archivos de diario de diciembre 2020

04 de diciembre de 2020

2,000 Butterflies Counted So Far, Western Monarch Takes an Astonishing Step Closer to Extinction.

Two years ago, when volunteers counted only 27,212 monarch butterflies in the Xerces Society’s annual Western Monarch Thanksgiving Count, it meant the butterflies had crossed a threshold identified by scientists as the point past which western migratory monarchs were likely to become extinct.

https://baynature.org/2020/12/04/with-fewer-than-2000-butterflies-counted-western-monarch-takes-an-astonishing-step-closer-to-extinction/

Publicado el diciembre 4, 2020 11:14 TARDE por biohexx1 biohexx1 | 1 comentario | Deja un comentario