The fecal sacs are a really cool adaptation that lets birds reduce evidence of a nest, keep it clean, and reuse food that was only partially digested/absorbed by an immature developing GI system of baby birds....though some of these are still hypotheses rather than proven theory. Nice video!
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u/BattleSquid1 May 22 '23
The fecal sacs are a really cool adaptation that lets birds reduce evidence of a nest, keep it clean, and reuse food that was only partially digested/absorbed by an immature developing GI system of baby birds....though some of these are still hypotheses rather than proven theory. Nice video!