Recognizing frog songs
Who can we hear?
Everyone sings for the same reason: to attract females to join them; it's a call to reproduction.
The temperatures are getting milder, night is falling... everyone gathers in or around the pond to sing and seduce the females.
It's no problem for several species to gather in the same place. Apparently, only agile frogs don't appreciate this conviviality and repel overly clingy neighbors with jets of urine.
For the others, whether green frogs, laughing frogs, or tree frogs, there's no problem. In fact, the larger the gathering, the louder the songs, the more stimulated everyone is, and the better the stragglers will find their way to the breeding ground.
But be careful, each species has its own song to attract females. There is no mixing between species.
1:08 Different Songs:
1:12 The Southern Tree Frog:
They have a very powerful song that can be heard from afar and demonstrate incredible energy while singing day and night, on the water or in the trees.
The male has a single vocal sac located under his throat, and during this period, when he is at rest, his vocal sac can be seen, made of thin, elastic skin that forms a double chin.
Females have a slight tendency to prefer powerful songs, a sign that the male will be a good producer.
But they don't just listen; they also observe the coloration of the male's vocal sac. The more orange-green it is, the more it indicates the singer's good health.
2:23 The laughing frog:
It has a powerful song that resembles a jerky mocking laugh, in 3 to 5 well-defined stanzas.
As an adult, it has a pointed snout and close-set eyes. Its front legs are very short, while its hind legs are very long and muscular; they are entirely webbed.
The male has two dark gray vocal sacs.
It often has a lighter dorsal stripe and brown spots.
2:42 The midwife toad:
This is a toad, a very small toad (no more than 5 cm) that is called a midwife toad because it is the father who carries the eggs.
Delicious song!
Midwife toads don't reproduce in water, but since the males need water to regularly moisten the eggs on their backs and also to lay them there when they hatch, they gather around this strategic point.
Each male personalizes his song by whistling a different note from his neighbor in the hope of attracting a female.
They don't have vocal sacs...but...that doesn't mean they're mute.
3:42 How are sounds produced?
Sound is produced by the passage of air that enters through the nostrils, goes into the oral cavity, then the vocal sacs, and fills the lungs.
Then the nostrils close, and air is propelled from the lungs to the vocal sacs, passing through the oral cavity, and back again to the lungs. This process is repeated several times.
These are real resonance chambers that greatly increase the volume of the song.
Wild amphibians are protected by the decree of January 8, 2021; therefore, it is prohibited to destroy them! It is also prohibited to capture, move, injure, transport, or sell them. Other videos:
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