Are Humans The Only Animals That Are Self-Aware Or Wonder?

As science progresses, it finds more and more human traits that other higher animals seem to also exhibit (link). However, two big questions remain: are they self-aware, and do they wonder?

Following are a few links looking into these questions:

https://en.wikipedia.org/wiki/Self-awareness

https://greatergood.berkeley.edu/article/item/animal_instincts

https://www.bbc.co.uk/blogs/wondermonkey/2011/06/do-monkeys-wonder-1.shtml