Why do birds need grit and sand?
Perhaps the most important reason why birds eat grit is to aid digestion. Birds do not have teeth, but swallow the seeds whole. In the gizzard, these are then mixed together with the sand and grit.
Perhaps the most important reason why birds eat grit is to aid digestion. Birds do not have teeth, but swallow the seeds whole. In the gizzard, these are then mixed together with the sand and grit.
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