There is substantial prior discussion of this here on HN. I can't use search from this browser, but if you think the HN community is worth listening to, you might want to search for "Prarie Dogs".
Typed on my bloody useless Blackberry - don't ask.
Sharks have been refining there same basic design / ecological nitch for around 420 million years and have come up with some awesome adaptations. Dolphins on the other hand are vary recent and while clearly compeditive still have plenty of minor 'issues' to work out.
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There is substantial prior discussion of this here on HN. I can't use search from this browser, but if you think the HN community is worth listening to, you might want to search for "Prarie Dogs".
Typed on my bloody useless Blackberry - don't ask.
Here it is, from a month ago:
https://news.ycombinator.com/item?id=5808979
Millions of years of evolution at work. We're still a young species here.
The other guys are also evolving: in some ways we are all young species,
Sharks have been refining there same basic design / ecological nitch for around 420 million years and have come up with some awesome adaptations. Dolphins on the other hand are vary recent and while clearly compeditive still have plenty of minor 'issues' to work out.