Yes, they can. They have the ability to hear the heartbeat of a mouse, so a human heart wouldn't be a problem for them to hear.
only if you are another owl, it cannot be heard with human ears.
It depends on the type of owl but generaly an owl can hear a mouse from about 23 meters
hear the heartbeat.
Stethoscope
There are so many gut sounds in a horse it is real hard to hear a foals heartbeat with a stetescope. An ultrasound is best.
So that the prey do not hear the owl coming.
how big is the embryo when you began to hear its hearbeats?
yes
no. they have their own heartbeat. if you are pregnant and go to the doctor they can put a fetal monitor on you and you will be able to hear the babys heartbeat.
No Owl can here from this distance
they have a special disc
This instrument is called a stethoscope.