To identify the options where monkeys of the same species are sitting together, we need to compare each option to the original sheet of stickers. Let's examine each option individually.

Step-by-step:
1.

: Compare with the original sheet. Here, monkeys of the same species are indeed sitting together.
2.

: On checking, not all monkeys of the same species are adjacent.
3.

: Again, monkeys of the same species are sitting together.
4.

: The monkeys are mixed with different species between them.
Conclusion: Options 1 and 3 feature monkeys of the same species sitting together. Therefore, the solution is:

and

.