Sentences with phrase «vocal sac»

As soon as the eggs show signs of emerging as wriggling tadpoles, the male swallows them; not into his stomach, but into his vocal sac.

Constant exposure to the sounds of a busy road can impact a male European tree frog's stress levels, immune system, and vocal sac coloration, scientists show.

Some frogs carry eggs in pouches on their back, brood tadpoles in their vocal sac or mouth, or transport tadpoles in pits on their back.

It is the only land vertebrate where the male becomes pregnant, carrying and brooding tadpoles inside its vocal sac until they metamorphose and are spat out as baby frogs.

In male frogs, it makes their voice boxes grow and their vocal sacs develop.

Male vocal sacs inflate dramatically when producing an advertisement call.

The researchers found that male frogs that have found suitable spots for spawning in sections of the reed bamboo will call out for female mates using the vocal sacs in their throats.

At least one species of bat is known to use echolocation to pick up on the ripples created in the pond by the male frogs inflating and deflating their vocal sacs while calling.

However, when the volume of the ambient noise was turned up to obscure the sound made by the robot - frogs, the bats hunted only the robots which were having their vocal sacs inflated.

In the wild, the movement of the frog's vocal sacs as they inflate before they croak can be picked up by echolocation, so the bats could use both listening (eavesdropping) and echolocation for hunting.

A male frog will get a female's attention by first calling out and puffing up his vocal sacs.

Not exact matches

«Early humans» need to produce complex sounds to communicate better made their vocal air sacs shrink»

De Boer found that air sacs also interfered with the workings of the vocal cords, making consonants trickier.

Dogs, however, employ several different «languages» Body language — comprising a broad repertoire of facial expressions and body postures such as, play bows, butt - swings, submissive grins, pilo - erection, ear dips and tail wags Vocal communication — via a wide variety of barks plus all sorts of whimpers, whines, howls and growls Olfactory communication — by investigating muzzles, ear glands, tail glands, vaginal and anal sac secretions and particularly, from sniffing urine and fecal deposits of other dogs.