She also says that on the northern migration, they often see mating whales, more than on the southern migration.
(She; says; that on the northern migration, they often see mating whales, more than on the southern migration) Context(She says,List([0, 13))):(they; see more; L:on the northern migration; T:often)
She says,List([0, 13))
She they
says see more
that on the northern migration, they often see mating whales, more than on the southern migration
L:on the northern migration T:often