Rhowch eich enw mewngofnodi neu'ch cyfeiriad e-bost a chliciwch ar Anfon atgoffa i dderbyn atgoffa trwy e-bost.
This tool allows to compare the numbers and view the list of birds shared between a region and every other country and territories in the world. You can select a taxonomy and any region available in Avibase. You can click on any of the numbers to list of species involved between 2 regions. You can also click on the table header row to sort the table according to values in a specific column.