Answers:
Discrete
Quantitative
Step-by-step explanation:
The size of groups of birds can be measure with numbers like 1, 2, 3, 4,...
So, we can say that it is quantitative data because it has numbers and not descriptions like the qualitative data.
Additionally, these numbers are whole numbers, there can't be 1.5 birds. So, it is discrete data.
Therefore, the answers are:
Discrete
Quantitative