All answers relate to birds & insects
27. A little bird tells me Greek letter has reeds for a roof (8)
30. That scone might fly off the plate (9)
31. FC holding attractive winger (9)
32. He builds with gravity, this creepy-crawly (9)
34. Snake de trop swimming with too much energy on the surface (10)
35. Buy back some "Leo Pooh" to make this flying visitor appear (7)
36. Go away, girl (even though you are very pretty!) (9)