Die 100 am häufigsten verwendeten Wörter in diesem Buch.
ability
able
according
adults
among
animal
another
appear
away
behavior
between
birds
body
called
calls
chemical
chimpanzees
come
communicate
communication
day
different
displays
does
dolphins
dominant
during
elephant
even
family
female
few
first
fish
found
frequency
genes
get
group
head
human
individual
killer
known
language
learn
learning
little
long
males
mammals
mate
mating
may
members
might
mothers
must
natural
nature
new
offspring
often
others
own
people
pheromones
primates
research
scientists
selection
sense
sex
signals
similar
social
sometimes
songs
sound
species
studies
take
territory
time
tree
two
types
university
use
used
usually
vocal
vocalizations
voice
whales
whistles
wild
women
years
young