There is a world somewhere between reality and fiction. Although ignored by many, it is very real and so are those living in it. This forum is about the natural world. Here, wild animals will be heard and respected. The forum offers a glimpse into an unknown world as well as a room with a view on the present and the future. Anyone able to speak on behalf of those living in the emerald forest and the deep blue sea is invited to join.
About #248: " T rex is known as one of the brainiest dinos isn't it? And reptiles do exhibit parental care right? I think absence of neocortex is not a sign of low intelligence!. "
A 300-400 gramme brain for a 9 tons body isn't that much (an extant 5 tons elephant is a 5 kilos-brained animal). The narrator readily compares the t-rex to an extant croc which hasn't a developed parental behavior, that's the least one can say. The mother croc moves the babies into the water just after the hatching and what else ? It's all ! Perhaps the mother t-rex could stay near the nest in order to protect it and when the cubs were born they can watch their mother and learn/retain a little about it. Mimetic behavior, taking into accountthe fact they were very weak and small compared to the adults and reacting accordingly, yes, but I think it's all...
The raptors (velociraptors, troodons, deynonychus, and so on...) with a less weighted brain (perhaps 200-250 grams) for a much lighter body weight (80, 100, 200 kilos) should have been much more performing and could be able to adopt an efficient dynamic group.