Sentences with phrase «frog egg clutches»
Not exact matches
She observed eggs that were exposed to two predators — parrot snakes and cat - eye snakes — and analyzed the vibrations caused when they attacked the clutch and captured some of the developing frogs.
https://www.scientificamerican.com/
For her thesis, Warkentin caged cat - eyed snakes (Leptodeira annulata) with clutches of 5 - day - old frog eggs and found that the embryos could hatch to escape.
They discovered that the frog eggs were picking up on the pattern of vibrations over time; rain and wind batter the egg clutches more or less continuously, but snakes have to take a break to chew.
When there were no father frogs guarding the eggs, less than 30 per cent of the eggs in a clutch survived,» said Mr Seshadri.
Other females may also choose to mate with the male frog and deposit egg clutches in the bamboo.
Cane toads produce many more eggs in a clutch than do any of the native frogs, and so a single clutch can result in many thousands of small black tadpoles in a pond.
A single clutch can contain more than 30,000 eggs — a lot more than in any native Australian frogs!