ON THE EDGE OF EXTINCTION - A - THE TIGER (Panthera tigris)

[GrizzlyClaws]

(03-23-2019, 08:21 AM)Sanju Wrote:

(03-23-2019, 01:53 AM)GrizzlyClaws Wrote: The more robust Amur tigers from Manchuria might have leaning more toward the parental side of the Wanhsien tiger, while other populations inherited more from the Caspian tiger.

I think, independent of the amur subpopulation region, the reason might be selective demolishing of large tiger specimen genes from population through trophy hunting or poaching and natural selection pressure towards smaller tigers (even it is colder climate) because of low concentration and less diversity prey items and inability of smaller prey to sustain big tigers metabolism like in early holocene.

But now, as through conservation prey base are boosting in some areas, there the robust specimens are making a comeback again as it is important for mass and volume to be more in cool boreal forests for better survival and this more prey is becoming adequate to large tigers unlike before.

and Yeah, there, wanhsien genes are revealing like in Manchuria.

*This image is copyright of its original author

*This image is copyright of its original author

(He is most widespread and successful spp than conspecies and evolutionary equivalent or sympatric one in sunda i.e.., "trinil tiger")

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Thanks! @tigerluver

Tigers are super flexible in term of size, and they won't need to be supersized again when there is no other megafauna in the ecosystems, same with lions.

During transitional period between the Pleistocene and Holocene, the megafauna population was already in decline, but some tiger population still managed to be the largest contemporary felines, maybe this was due the lack of competition, so tiger's size wasn't affected yet. Reply