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B
Ostrich
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C
Pigeon
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D
King Fisher
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Solution
The correct option is B Rat snake A well-developed renal portal system is not found in birds. They do not have a urinary bladder and being uricotelic animals, excrete uric acid along with semisolid faeces. Out of the given options, ostrich, pigeon, and kingfisher, all three being birds, do not have a urinary bladder. However, being a reptile, rat snake has a urinary bladder.