Glossary
View All Words
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#
A
appearances
attract mates
auditory
B
beaks
brown thrasher
C
catbird
cave swiftlet
complex
crystallized
D
defend
developed
distinctive
E
echolocation
equal
extremely
F
feat
G
gulls
H
hatching
heredity
hypothesis
I
increase
indicate
J
K
L
M
maintain
maneuver
mockingbird
mourning dove
N
neurological
notes
O
Oilbirds
organ
outward
P
parrots
proclaim
Q
R
repertoires
resulting in
ruffed grouse
S
Scientists
simultaneously
species
syrinx
T
template
territory
theory
throat
U
V
vary
vocal
vocalizations
W
wings
woodpeckers
X
Y
Z
#
hatching
孵化（卵がかえること）
Select this then click anywhere in the book to start reading text
Speak the current selection
Stops speech playback
Double-click a word in the book and click this icon to translate the word into Spanish
Glossary