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Video Reveals Surprising Humpback Feeding Behavior | National Geographic


a group of biologist studying humpback
whales at the Stellwagen bank National
Marine Sanctuary invited the Crittercam
team to join them in their research
cooter cams are a small
computer-controlled camera system we use
to study animal behavior in their
natural environment the critter cams on
a section cut mount out at the end of
this long pole boom it’s attached so now
you’re seeing the view of a humpbacks
world from riding on his back so the
researchers have put 3d motion tags on
the whales here and they’ve gotten
records of this odd twisting rolling
behavior that’s happening well below the
surface where they can’t see but they’re
not really sure what it is they are
thinking it’s probably feeding of some
sort but they can’t be certain now by
using the critter cam we can figure out
what’s really going on is it feeding
like they thought or is it something
else completely
so the curta cams on and we’re getting
this great view of what the whales doing
and here it begins to go up to the
surface to get a breath and as it does
it runs into this other whale and the
critic game gets caught between the two
and it almost gets knocked off its mount
you can see the front bracket in the
shot now the luckily the second bracket
held in the camera stayed on as the
whale dives towards the bottom it gets a
lot darker so the camera is kind of
straining to see in this low-light and
here we actually enhance the image so we
could see the detail better and it gets
a bit grainy you’ll come in and you’ll
see the the whale rotates as it
approaches the bottom it’s rolling on
its side and the camera twists actually
so it’s pointed downwards and you see
these little sand lance fish swarming
all over the bottom that’s the prey that
the whales going after but they’re not
actually buried and so the whales are
skimming right along the bottom of the
sea but they’re not actually digging
into it this bottom feigning behavior
could be sometimes done by a whale by
itself and sometimes multiple whales
working together and so that’s the level
of detail that
visuals can give us that some of these
other devices can’t this next shot is
just fun while the whale was wearing the
critter cam it breached it leapt up out
of the water crashing back down this is
pretty cool to watch from outside the
whales perspective but to see it like
this is just amazing
[Applause]
you
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