Ouch! Thorns, Spines & Prickles

Challenge #12 in the Life in the Natural World series. Hosted by RuthC.
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Many plants grow sharp prickles, spines or thorns, usually to protect themselves from predators, such as insects, birds, or animals. Show us the interesting or bizarre forms of these sharp appendages in your entries, which should be in their natural environment, not under studio lights. Macro shots are welcome. Insects or other small creatures may be present, but must not dominate the picture. Check Wikipedia for more information about this thorny subject. SIZE DOES MATTER: See below!
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93 entries
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2104 votes
Cactus Critter
Hiding among the prickles
Now that is going to hurt
Prickles
not a rose
Thorn and Shadows
Tree Limpets
Prickly Pear In Bloom
ferox
Thistle
Spikes
like a pin cushion
Whispering Thorns
A Wall of Thorns
Does The Bee Know?
6 / 7
Sample entries
These entries were provided by the challenge host(s) as samples and cannot be voted on. Upload sample image.
Prickles All Over
Thorns in Winter
Aloe With Attitude
1,600px. MAXIMUM
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