1. Anuran Vocalization Draws air into lungs
Pushes air across vocal cords and larynx
into vocal sac.
Vocal sac may resonate sound

2. Plains Spadefoot Toad
Spea bombifrons
Loud and harsh
“Go-away go-away”
LINK

3. Blanchards Cricket Frog Acris blanchardi Two marbles being
tapped or rubbed
together
LINK

4. Spring Peeper Pseudacris crucifer
Peep, peep, peep, peep.
A short, repeated, loud,
high-pitched note, that
rises at the end.
Link

5. Gray Treefrog
Hyla chrysoscelis
Short high trill
LINK

6. Boreal Chorus Frog Pseudacris maculata Running finger across
Teeth of a comb
LINK

7. Finger rubbing balloon
Plains Leopard Frog
Rana blairi
Finger rubbing balloon
LINK

8. Bullfrog
Rana catesbiana
Drawing bow across
upright bass
Foghorn
LINK

9. Western Narrowmouth Toad Gastrophryne olivacea Nasally Beeeeeeee
LINK

10. American Toad
Bufo americanus
Long musical trill
15-30 seconds
LINK

11. Woodhouse’s Toad
Anaxyrus woodhousii
an explosive and nasal
"w-a-a-a-a", lasting
from 1 to 4 seconds
LINK