Because very few birds can swallow liquid - the have to let it trickle down their throats after they get it in their mouths.
So the water can travel through their throat. They don't have whatever it is that humans do to swallow the water.
Birds drink water by dipping their beak into the water and then tipping their head back so the water runs into their throat. They then swallow. Depending on how much water they want or need, they may have to do this several times. Most birds will drink in flocks so as some can keep a lookout for predators while others drink.
Blue Whale
Give him head and swallow!! Give him head and swallow!!
Birds can raise and lower their crown to change its shape as a form of courtship display, territorial defense or aggression. There is a theory it evolved to protect the bird's head.
guys like swallow.
Take a quick break, swallow, and continue.
Peristalsis is the process that involuntarily makes it is possible to swallow water while standing on your head and moves food from your mouth down to your stomach. Peristalsis affects the muscles in the intestines also.
To raise a sprinkler head, you can use a special tool called a sprinkler head key to turn the head counterclockwise and lift it up to the desired height. Make sure to adjust the height carefully to ensure proper water coverage.
The function of the word "up" in the phrase raise up your head is to add emphasis. Either version is correct, whether you say raise your head or raise up your head. These are both grammatical.
Birds do not have head lice, however, they may have mites.
They drink it with their beaks by dipping their head in a puddle, pond, lake,bird bath, ext...