What historical migratory behavior, now largely ceased, involved massive herds of springbok crossing landscapes in response to drought?

Answer

Trekbokking

Historically, vast numbers of springboks engaged in massive migrations termed *trekbokking* when responding to drought conditions, though this behavior is now rare due to habitat fragmentation.

What historical migratory behavior, now largely ceased, involved massive herds of springbok crossing landscapes in response to drought?
mammalclassificationmarsupialSpringbok