Endothermy is a synapomorphy of the Mammalia, even though it might have arisen inside of a (now extinct) synapsid ancestor; the fossil file does not distinguish these opportunities. Convergent in birds. " On this tale, these birds plucked dreaming babies from ponds and lakes, and delivered them to deserving people. https://charliers38u.atualblog.com/32504983/stork-fundamentals-explained