Birds do not help in pollination. Actually humingbirds do help they take the nectar (with some pollen) and go to drink from another flower therefore depositing the pollen on the other flower
Asked in Relationships, Birds
How do birds help trees?
Some birds help in the pollination process but most birds that eat the fruits with the seeds are not digested and when the birds fly to a distant palace the droppings help the seeds to emerge as new plants. Bird droppings are rich in phosphates & calcium essential for the growth & development of the trees. Some harmful insects and pathogens are picked by the birds from trees. ...