Home›Mammals›Lifespan›15.000000Browse By15.000000FactsLifespanSourcesComments (0)Reader Challenges (0)FactsComparisonReproductive ModeWell-attestedViviparous (Live-Bearing) 1Lifespan55.000000Lifespan1 entry56.000000Lifespan2 entries57.000000Lifespan1 entry57.500000Lifespan1 entry58.000000Lifespan1 entry59.000000Lifespan1 entry60.000000Lifespan2 entries60.100000Lifespan1 entry61.200000Lifespan1 entry62.500000Lifespan1 entry63.000000Lifespan1 entry65.000000Lifespan2 entries67.000000Lifespan1 entry68.000000Lifespan1 entry69.000000Lifespan1 entry7.000000Lifespan3 entries7.400000Lifespan1 entry7.600000Lifespan2 entries73.000000Lifespan1 entry77.000000Lifespan2 entries79.600000Lifespan2 entries8.300000Lifespan1 entry8.400000Lifespan1 entry9.000000Lifespan1 entry9.100000Lifespan1 entry9.500000Lifespan1 entry9.600000Lifespan1 entry90.000000Lifespan1 entry95.000000Lifespan1 entryShowing 151 to 179 of 179, page 4 of 4.← Previous1234Sources1. Wikipedia: Mammaltier 2WikipediaMammal, lead sectionQuote, Mammal, lead sectionAll modern mammals give birth to live young, except the five species of monotremes, which lay eggs.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.