Crick, crick, crick, crick, crick; Croak Croak, Croak Croak;
Creiik, creiik, creiik. creiik, creiik; Weep, eep, eep, eep. Whilst
in most areas the sound of cars, people, dogs and neighbours are the
dominant sound of the night, in my garden the Frog Chorus is by far the
loudest and most varied sound that I hear at night. It competes with
the intermittent sounds of possums, owls, night-jars and gliders. Who
are these noisy little friends and what do they need to survive.
Frogs can be found anywhere there is water, in dams, ditches, creeks,
fish ponds and the like. They can be found by waters edge, in or by
nearby vegetation, under rocks or logs or other cover. Although
recorded sightings of frogs in the early days of settlement in Mt.
Evelyn are rare, in the 1980s thirteen species of frogs were identified
here. How many different calls can you identify in your garden?
One of the most common in my garden is the Brown Tree Frog, Litoria
ewingii, It is a small frog, pale cream- brown in colour with a broad
band on its neck scattered with darker flecks. I very often hear them
singing in the frog chorus in the evening. Many a time I have
disturbed them when I’m working in my hot house. a favourite haunt of
theirs. The warm damp atmosphere seems to be most agreeable.
Occasionally one will venture into my lounge room, usually an adult,
which I catch and place back in the garden. One night quite recently
as I was about to retire to bed, I noticed something very small leap
across the floor. On closer inspection I discovered it was a tiny
Brown Tree Frog, no bigger than my little finger nail. Being so small
it was much harder to catch than the adults that have come inside to
investigate, but I did manage to return him to safety. No sooner had I
returned to the house when up hops froggie’s twin, same size and
equally difficult to catch. After returning him to the garden I began
to wonder how they had come in. I guess as there is a large tree-fern
outside my dining room window, they must have hopped up the tree-fern
and in the window.
Other Litoria species found here are , Lesseurs Frog, Litoria lesueri,
The Green or Warty Swamp Frog, Litoria raniformis, and Verreaux’s Tree
Frog Litoria verreauxii. These frogs have adhesive or sticky discs on
their toes and fingers, webbing between their toes and horizontal
pupils in their eyes.
Frogs vary in size. The Common Brown Froglet Crinia signiferi, is the
smallest frog, 30mm. found here. Crinia means ‘having hairs’ -
their toes are fringed with hairs, but not webbed. The Victorian
Smoothe Froglet Geocrinia victoriana, is a similar species, often found
below leaf litter , logs and rocks. It is a little larger growing up
to 31mm.
Lymnodynastes, meaning ‘Lord of the marshes’, have three
representatives in Mt. Evelyn. The smallest of these is the Spotted
Marsh Frog Lymnodynastes tasmaniensi, 45mm. The Striped Marsh Frog
Lymnodynastes peronii, is a little larger 65mm, and The Banjo Frog or
Eastern Pobblebonk Lymnodynastes dumerilii, is the largest at 70mm. It
gets its name from its single banjo like “plonk” sound repeated at
intervals.
Three other frogs identified here are The Painted Burrowing Frog
Neobatrachus sudelli, Bibron’s Toadlet Pseudophyne bibronii, and The
Southern or Orange Throated Toadlet Pseudophyne semimarmorata.
Frogs will survive anywhere there is suitable water and vegetation to
hide in. They eat mosquito larvae and insects and lay their eggs in
watery places where the tadpoles hatch and grow into frogs. They can
be found along along the Olinda and Stringybark Creeks, the Warburton
Trail and are known to breed in wet grassy sections of the Aqueduct
Walk near Joy Avenue.
Frogs have always fascinated me. As a young child growing up in
Melboune’s Eastern suburbs, there were many swamps and creeks to
explore. My brothers and sisters and I would often go tadpole-ing. We
would take our buckets down to any watery place and catch tadpoles and
bring them home to watch them grow into frogs.Or that’s what my older
brothers, who did most of the catching thought. Un be known to them my
older sister, Anne, was honing her teaching skills on her little
sisters. She would take us out to the tadpoles, catch one for each of
us to hold and place them in our hands so that we could pat them, while
she explained how they would grow legs and hop off as little frogs.
When it stopped wriggling, she would pop it back in the water and
replace it with a wriggly one. Strangely not many of these little
wrigglers grew into frogs. I guess my brothers never found out why
their success rate was so low.
Did you know that it is the male which does all the ‘croaking’. By
calling he is letting all the female frogs know where to find him. I
guess that is why he calls so loudly and for so long.