This online portal provides worldwide information on birds, including species, hotspots, sightings, etc.
If you sight a bird you can log it here
eBird is a project of the Cornell Lab of Ornithology and is supported entirely by grants, sponsors, and donations.
Feature image from online: https://static.dw.com/image/16251705_403.jpg
iNaturalist is like ebirds, but for animals
This is from Singapore. For insects