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Pygmy hogs are no bigger than rabbits.
They're the tiniest and rarest of all wild pigs.
The female is busy collecting grass
but not for eating.
She's building a nest.
Each piglet may be small enough
to fit in the palm of a hand
but she does have ten.
This is
how grass can grow given unlimited sunshine and water
but on most tropical plains across our planet
the wet season is followed by a dry one.
On the African savannas,
grazers are marching in search of grass and water.
Without rain,
these plains can become dust bowls.
Grass can now loose its hold.
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