Estimates of the total number of insect fall in the range of 1 to 30 million. The vertebrates represent the remaining 3% of all species and include species that are the most familiar to us: amphibians, reptiles, birds, fishes, mammals.
Montenegro's language has historically and traditionally been called Serbian. The idea of a Montenegrin standard language separate from Serbian appeared in the 2000s after Serbia and Montenegro broke up, via proponents of Montenegrin independence. Montenegrin became the official language of Montenegro with the ratification of a new constitution on 22 October 2007.
In terms of dialects, standard Serbian is based on the Stokavian dialect. There is a version known as the Ekavian variant which is spoken mostly in Serbia and another dialect called Ijekavian which is spoken in Bosnia and Herzegovina, Montenegro, south-western Serbia and Croatia.