So, has there been no equivalent to emerge in the Northern part of this hemisphere of the African Tick-Bird, or Oxpecker?
I am surprised that nothing natural has developed to off-set this ghastly proliferation of ticks on such a big, long-legged mammal. A Moose may offer an accommodating surface for parasites, but should also present a blatant food source for a parasite-eating bird to counter this plague.
What biologically has prevented it?
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"First off I scoured the Internet and this seems to be the place to be!” — Chad Whittenburg, 5-12-19
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