63-year-old shirley behind me who s been providing tara comfort and support. elephants need each other. that s what is happening in her time of grief, she is turning to her sisters for support. elephants are good at being a herd and family. helping each other. reporter: tara is quieter than usual and they can tell bella is in her heart and on her mind. we know she has gone back and has been seen near bella s grave which is, again remarkable, but at the same time what elephants do. elephants pay respect to their dead. reporter: if there is a lesson to be learned, it s friendship can be found in the most unlikely of places. you can be sure tara s elephant sisters and caregivers will take care of her as she and bella took care of each other. wow. a sweet story. that is a sweet story. they say elephants have brains in that respect that are similar to humans in being able to process the grieving process. it s fascinating. emotional component. for more information check out e