Crescendo "Quack" | Short, duck-like, gets louder | Wood Frog | Feb-Mar | C-U-P |
Descending "Honk" | Goose-like, pitch descends | Spadefoot Toad | Mar-Aug | U-U-U |
Monotone "Quank" | Neither rises nor falls | Green Tree Frog | Apr-July | U-U-U |
Long high monotone | Up to 30 seconds long | American Toad | Mar-Apr | C-C-C |
Short high monotone | Half-second long | Gray Treefrog | May-July | C-U-P |
Rising staccato | Rises in pitch, lasts 1 second | Striped Chorus Frog | Mar-July | U-U-U |
Snore | lasts 1-3 seconds | Pickerel Frog | Mar-Apr | C-E-E |
Ru-u-u-u-um | crescendos | Bullfrog | May-July | C-E-E |
C-Tung | Banjo like, loud | Green Frog | May-July | C-E-E |
Preeep | High pitched, slurring upward | Spring Peeper | Mar-July | C-U-P |
Stuttering chuckle | chu-hu-hu-huck | So. Leopard Frog | Feb-Apr | U-U-P |
Clicks | Like small stones, metallic | No. Cricket Frog | May-July | U-U-U |
WAAAA! | Like a baby crying | Fowler's Toad | May-July | P-P-P |