Refer to the given figures showing different types of bird's nests and answer the questions that follow.
1. Which of these nests belongs to a bird that uses its beak like a needle to sew its nest?
2. Which of these nests belongs to a bird that has two toes in the front and two toes at the back?
A1-d, 2-e
B1-g, 2-d
C1-f, 2-g
D1-d, 2-f