They have adapted to earth's changing climate continually for over 30 million years.
The Sunday Times reported that the Sussexes may be planning to move to Africa in 2020 to do charity work for two or three years after their baby is born.
Buckingham Palace did not deny the report, issuing a statement saying: "Any future plans for The Duke and Duchess are speculative at this stage. The Duke will continue to fulfill his role as Commonwealth Youth Ambassador".
Meghan, who is expected to welcome her and Harry's first baby any day now was not there, however, probably because of the advanced state of her pregnancy.
William reportedly has been told by his private secretary, Simon Case, that a period of separation between the two brothers would help them to define their different roles and improve relations between them, the Sunday Times reported.
The couple spent their third date camping out under the stars in Botswana and later stayed at a safari lodge to celebrate Meghan's 36th birthday.
A close friend revealed that Meghan and Harry "feel they have been cut adrift".
McQueen is a favorite designer for the royal; she had the British fashion house create her wedding dress, and has worn (and re-worn) many other styles to official events since. However, in that detachment, they have already been pitted against each other.
The rumours come amid a series of reports which suggest Meghan wanting to be closer to her mother and Harry's new onscreen project with Oprah, that could inspire the move. The source added that Harry and Will also kept their distance earlier this month when they both attended the premiere of Sir David Attenborough'sOur Planet with their father Prince Charles.