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Treefrogs
(links are to NatureNorth website - complete with picture
and sounds)
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Northern Cricket Frog |
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Fast, repeated clicking, like two
pebbles being struck together. |
Formerly bred
more extensively in the state but now are only known to be at one
site along the Minnesota River in Bloomington |
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Cope's Gray Treefrog |
link |
Fast, metallic
buzzlike trill. |
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Gray Treefrog |
link
wav |
Musical, birdlike trill.
Similar to the Cope's gray treefrog, but slower.
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Spring Peeper |
link
wav |
Short, loud, high-pitched peep.
Many individuals singing together sound like sleigh bells. They
call from early spring into summer |
Found in semi-permanent
shallow ponds near woods in forested areas of eastern MN
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About an inch long when
full grown. |
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Western & Boreal Chorus Frog |
link |
Short, ascending trill-like
b-r-e-e-e, resembling a thumb drawn along the teeth of a comb. They
call from early spring until quite late in the summer. |
Found in shallow ponds
in a variety of habitats throughout MN |
About an inch long. |
True Frogs
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Bullfrog |
wav |
Resonant
series of deep bass notes sounding like rrr-uum or jug-o-rum. |
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Green Frog |
link
au |
Throaty
gunk or boink, like the pluck of a loose banjo string. |
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Pickerel Frog |
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Quiet,
long, drawn-out snore. Similar to the northern leopard frog,
but lacking the chuckle at the end. |
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Northern Leopard Frog |
link
wav |
Long, deep
snore lasting several seconds and ending with a chuckling
(chuck-chuck-chuck). |
Found in the meadows.
They breed on both large and small ponds in MN. |
Quite large |
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Mink Frog |
link |
Rapid cut,
cut, cut resembling a hammer striking wood. |
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Wood Frog |
link
wav |
Short
chuckle is a harsh racket, racket, racket. A chorus sounds
like the feeding call of the mallard. Much softer call - easier to
miss. They only call for a couple of weeks in spring |
Breed in small ponds in
the woods. |
About 2 inches long |
Toads
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American Toad |
link
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Long, drawn-out, high pitched,
musical trill lasting up to 30 seconds.
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Great Plains Toad |
link
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Loud, harsh pulsating trill with a
metalic quality.
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Canadian Toad
|
link
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Clear trill very similar to the
American Toad, but lower in pitch and shorter, lasting approx 5
seconds. |
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