Caterpillar
videos have recently gone viral on social media.  One of these shows’
caterpillars forming a terrifying shape on a tree trunk, and the reason for
this size is even more surprising.

The video
shows caterpillars have formed a large cluster on a tree trunk.  In
addition, whenever the cameraman makes any noise, they bounce together. 
There is a caption with the video post that states caterpillars use this as a
defense mechanism.  These social clusters are sensitive to sound and often
respond to vibrations.  They do this to appear like a big animal.

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Here’s video:

“One of the
most mind-blowing defense mechanisms we’ve ever seen! Social clusters of
caterpillars like this are often sensitive to noise, reacting like a pulse at
every vibration. Watch how they bounce up whenever the cameraman makes a noise.
So, how is this a defense mechanism? Well, wasps and other flying insects eat
caterpillars all the time and by reacting to vibrations as a social unit, the
caterpillars create the appearance of a much larger animal on the move,” read
the caption of the post.

The video
was shared from an Instagram account called Nature Predators and the video has
garnered more than 76 lakh views and recorded 1.8 lakh likes. Netizens flocked
to the comments box to express their reactions.

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“Wonders of
this universe,” a user said.

Another user
commented, “Makes me itch.”

Recently, the
video of two dogs turns out to be very entertaining because of the big dog’s
reaction to the pet’s behaviour.

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The footage
opens with a dog looking at a golden retriever who can be seen focusing
on different activities but failing to concentrate on any one. At the
beginning of the video the puppy is seen playing with a tennis ball. Soon, its
attention is diverted by the branch of leaf lying nearby. After this, the pet
appears to run towards the direction of the hidden camera.