Have You Ever Seen a Dog Fetus? | National Geographic

the major muscles are well advanced and

the major muscles are well advanced and the fetus is now moving survival muscles

the fetus is now moving survival muscles

the fetus is now moving survival muscles such as those in the legs and jaw

such as those in the legs and jaw

such as those in the legs and jaw developed more rapidly than other

developed more rapidly than other

developed more rapidly than other muscles these key muscles are vital for

muscles these key muscles are vital for

muscles these key muscles are vital for the animals survival once it leaves the

the animals survival once it leaves the

the animals survival once it leaves the uterus this early movement serves as a

uterus this early movement serves as a

uterus this early movement serves as a form of exercise for the developing

form of exercise for the developing

form of exercise for the developing muscles it’s also necessary to keep the

muscles it’s also necessary to keep the

muscles it’s also necessary to keep the joints moving as they develop the fetus

joints moving as they develop the fetus

joints moving as they develop the fetus doesn’t move the joints will freeze the

doesn’t move the joints will freeze the

doesn’t move the joints will freeze the ears are clearly visible the inner ear

ears are clearly visible the inner ear

ears are clearly visible the inner ear has formed but the middle and external

has formed but the middle and external

has formed but the middle and external ear are still growing

the dog-ear is far more sophisticated

the dog-ear is far more sophisticated than the human ear when a dog’s ear is

than the human ear when a dog’s ear is

than the human ear when a dog’s ear is pricked up the ear flap reflects sound

pricked up the ear flap reflects sound

pricked up the ear flap reflects sound back into the ear canal enhancing the

back into the ear canal enhancing the

back into the ear canal enhancing the hearing like when a human cups their ear

hearing like when a human cups their ear

hearing like when a human cups their ear with their hand right now the ear canal

with their hand right now the ear canal

with their hand right now the ear canal is plucked but when this Retriever is an

is plucked but when this Retriever is an

is plucked but when this Retriever is an adult it’ll be able to hear sounds far

adult it’ll be able to hear sounds far

adult it’ll be able to hear sounds far beyond the range of human hearing

beyond the range of human hearing

beyond the range of human hearing a dog can hear sounds of such high

a dog can hear sounds of such high

a dog can hear sounds of such high frequency that to produce them a piano

frequency that to produce them a piano

frequency that to produce them a piano would require an extra four octaves but

would require an extra four octaves but

would require an extra four octaves but dogs don’t actually make high pitched

dogs don’t actually make high pitched

dogs don’t actually make high pitched sounds themselves so their hearing may

sounds themselves so their hearing may

sounds themselves so their hearing may be linked to their hunting instincts