(teletype and typewriter sounds) ...News Flash.... Some day ... 2020ish..
'The very first exhibit in the new "Jurassic Park & More" amusement park was placed earlier this morning, with the hope of even more exotic critters from the past to soon join it! ...reports of extremely heavy gauge electrical cable and high tension electrical fencing can't be confirmed for what might be planned ...... '
It could just be possible that animals become extinct for a reason. It might be that extinct creatures are capable of carring bacteria/viruses that are incompatible with human life.
Scientists have found Pandora's Box, and the more secrets they discover, the more reasoning ability they lose. They are drunk with power, it seems.
'Coming soon to a circus near you...' 
