What is brood parasitism in birds?

What is brood parasitism in birds?
  1. A type of parasitism in which the parasitic bird feeds on the host
  2. A type of parasitism in which the parasitic bird lays its eggs in the host's nest
  3. A type of parasitism in which the host incubates the parasitic bird's eggs
  4. A type of parasitism in which the host feeds the parasitic bird's young

Solution

Brood parasitism in birds is a type of parasitism in which the parasitic bird lays its eggs in the host's nest and lets the host incubate them. The eggs of the parasitic bird have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting and ejecting them.

Asked in: NCERT

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