Dholes (Cuon alpinus)

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Here is site, where I noticed something, which raised question(s). 

https://greenglobaltravel.com/endangered-species-spotlight-dhole-a-k-a-indian-wild-dog/

When looking at number 22 of that list, there is said: 


"That being said, clans will sometimes interact favorably with other clans, which could make individual groups appear larger at times. But it’s a pretty rare occurrence. "

That reminds what Anderson wrote about situation with tiger and dholes, where he described that possible case, where tigers and dholes maybe actually fought. Of course it is known, that dholes call other members of their own pack. But I wonder if there are cases, in which that claim would be based on, I haven´t seen that kind of behavior mentioned elsewhere, at least I can´t recall right now. Or maybe that was based to what Anderson wrote (?). Reply