Shark Bay off Australia’s western coast is home to an amazing diversity of life
is home to an amazing diversity of life
is home to an amazing diversity of life including sea snakes sharks and of
including sea snakes sharks and of
including sea snakes sharks and of course
course
course sea turtles even though they are both
sea turtles even though they are both
sea turtles even though they are both sea turtles the bays greens and
sea turtles the bays greens and
sea turtles the bays greens and loggerheads are about as similar as
loggerheads are about as similar as
loggerheads are about as similar as sleek fighter jets and lumbering tanks
sleek fighter jets and lumbering tanks
sleek fighter jets and lumbering tanks despite their hard shells both are on
despite their hard shells both are on
despite their hard shells both are on the menu for the bays top predator the
the menu for the bays top predator the
the menu for the bays top predator the tiger shark but researchers here want to
tiger shark but researchers here want to
tiger shark but researchers here want to know why loggerheads are killed five
know why loggerheads are killed five
know why loggerheads are killed five times as often as their green cousins is
times as often as their green cousins is
times as often as their green cousins is it just because the loggerheads are
it just because the loggerheads are
it just because the loggerheads are slower to answer that
slower to answer that
slower to answer that there’s Crittercam a technology
there’s Crittercam a technology
there’s Crittercam a technology developed by biologists and engineers at
developed by biologists and engineers at
developed by biologists and engineers at the National Geographic Society
blendin green turn away here turn right
blendin green turn away here turn right hard right hard right ready
the green smooth shale is perfect for
the green smooth shale is perfect for the Crittercam suction once on it won’t
the Crittercam suction once on it won’t
the Crittercam suction once on it won’t come off until a magnesium washer
come off until a magnesium washer
come off until a magnesium washer dissolves and releases the Crittercam
for the loggerheads ruff shell the team
for the loggerheads ruff shell the team uses a harmless epoxy and a base plate
uses a harmless epoxy and a base plate
uses a harmless epoxy and a base plate which will slough off after a few days
the other participant in this equation
the other participant in this equation the tiger shark is perfectly suited for
the tiger shark is perfectly suited for
the tiger shark is perfectly suited for hunting large prey the adults can grow
hunting large prey the adults can grow
hunting large prey the adults can grow to almost 15 feet and 2,000 pounds
they stalk from below and rely on
they stalk from below and rely on surprise
surprise
surprise the Tigers heavy jaws are filled with
the Tigers heavy jaws are filled with
the Tigers heavy jaws are filled with serrated teeth that can easily cut
serrated teeth that can easily cut
serrated teeth that can easily cut through turtle shell as the Sharks
through turtle shell as the Sharks
through turtle shell as the Sharks thrash their bodies from side to side
thrash their bodies from side to side
thrash their bodies from side to side but why are loggerheads their primary
but why are loggerheads their primary
but why are loggerheads their primary victims at sundown the camera from one
victims at sundown the camera from one
victims at sundown the camera from one of the loggerheads is released and is
of the loggerheads is released and is
of the loggerheads is released and is ready for pickup
the first clue the loggerhead angles
the first clue the loggerhead angles towards the surface for air straight to
towards the surface for air straight to
towards the surface for air straight to the danger zone and stays there for more
the danger zone and stays there for more
the danger zone and stays there for more than two minutes
than two minutes
than two minutes plenty of time for a tiger shark to take
plenty of time for a tiger shark to take
plenty of time for a tiger shark to take advantage the first green turn true –
advantage the first green turn true –
advantage the first green turn true – it’s faster nature is the Crittercam
it’s faster nature is the Crittercam
it’s faster nature is the Crittercam crew the runaround before they can
crew the runaround before they can
crew the runaround before they can retrieve the camera the footage reveals
retrieve the camera the footage reveals
retrieve the camera the footage reveals a startling contrast the Green spends
a startling contrast the Green spends
a startling contrast the Green spends almost no time at the surface one breath
almost no time at the surface one breath
almost no time at the surface one breath and then plunges back to the safety of
and then plunges back to the safety of
and then plunges back to the safety of the sea bottom the scientists find this
the sea bottom the scientists find this
the sea bottom the scientists find this pattern repeatedly
the critter cams have given them a
the critter cams have given them a window into how speed agility and
window into how speed agility and
window into how speed agility and behavior have helped the green turtles
behavior have helped the green turtles
behavior have helped the green turtles to stay clear of tiger sharks and why so
to stay clear of tiger sharks and why so
to stay clear of tiger sharks and why so many loggerheads bear the visible
many loggerheads bear the visible
many loggerheads bear the visible consequences of being a slowpoke in
consequences of being a slowpoke in
consequences of being a slowpoke in Australia shark Bay
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