Whether an animal has large or small babies depends on how independent they need to be at birth. Adult Red Kangaroos are 100,000 times the weight of their young at birth. In contrast, baby giraffes are only 1/10th the weight of their mothers. Subscribe to BI: Science – https://www.youtube.com/channel/UC9uD-W5zQHQuAVT2GdcLCvg —————————————-———- Follow BI Video on Twitter:
Cows that mated with famed bull Pawnee Farm Arlinda Chief produced far more milk than the average cow. His sperm became a prized commodity and was shipped to dairy farms all over the country. “Chief” ended up with 16,000 daughters, 500,000 granddaughters, and 2 million great granddaughters. Today, average dairy cows produce four times more
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