TIL: The World’s Largest Migration Isn’t What You Think | Today I Learned

the largest migration on the planet

the largest migration on the planet happens every day and it happens in the

happens every day and it happens in the

happens every day and it happens in the ocean so you know how people have fish

ocean so you know how people have fish

ocean so you know how people have fish finders we have things like that on

finders we have things like that on

finders we have things like that on oceanographic research vessels that use

oceanographic research vessels that use

oceanographic research vessels that use sound to look at particles in the water

sound to look at particles in the water

sound to look at particles in the water and you can see these particles moving

and you can see these particles moving

and you can see these particles moving up through the water at different times

up through the water at different times

up through the water at different times and back down with others and it’s

and back down with others and it’s

and back down with others and it’s plankton vertically migrating to the

plankton vertically migrating to the

plankton vertically migrating to the surface each night clifden are animals

surface each night clifden are animals

surface each night clifden are animals that tend to drift around with the

that tend to drift around with the

that tend to drift around with the current but they do have the ability to

current but they do have the ability to

current but they do have the ability to move up and down through the water

move up and down through the water

move up and down through the water column – during the daytime they want to

column – during the daytime they want to

column – during the daytime they want to be in water where it starts so they

be in water where it starts so they

be in water where it starts so they can’t be seen but at night they move to

can’t be seen but at night they move to

can’t be seen but at night they move to the surface where they can find the

the surface where they can find the

the surface where they can find the things that they eat we’re hopefully the

things that they eat we’re hopefully the

things that they eat we’re hopefully the things that eat them don’t see them this

things that eat them don’t see them this

things that eat them don’t see them this happens all around the planet

happens all around the planet

happens all around the planet in every ocean it’s amazing