(ordered by popularity)
other
different
many
several
new
same
various
human
certain
most
few
single
common
particular
distinct
native
rare
reactive
wild
numerous
dominant
mammalian
molecular
bacterial
larger
smaller
separate
related
exotic
latter
marine
extinct
allied
european
endemic
tropical
sub
abundant
aquatic
fossil
north
indigenous
biological
largest
ionic
invasive
migratory
valuable
alien
peculiar
terrestrial
australian
woody
tolerant
type
vertebrate
characteristic
known
freshwater
sensitive
pathogenic
primate
avian
widespread
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