Rufous-bellied antwren in 2012. Rufous-bellied antwren The rufous-bellied antwren ("Isleria guttata") is a species of bird in the family Thamnophilidae. It is found in Brazil, French Guiana, Guyana, Suriname, and Venezuela. The bird's range is in the entire north of the Amazon Basin, from Venezuela in the west to the Brazilian state of Amapá to the east, but is not found south of the Amazon River. Its natural habitat is subtropical or tropical moist lowland forests. The rufous-bellied antwren was described and illustrated by the French ornithologist Louis Vieillot in 1824 and given the binomial name "Myrmothera guttata". The current genus "Isleria"
Demographics of French Guiana Demographics of French Guiana According to INSEE the population of French Guiana was 239,450 of January 1, 2012. The population is very young: 44% are below the age of 20, while only 1.7% are 75 years or older. The age distribution is a reflection of the high fertility rates of French Guiana. On January 1, 2010, 64.5% of the population had French nationality, while 35.5% had a foreign nationality. Of these, Surinamese (13.8% of the total population), Haitians (8.8%) and Brazilians (8.7%) were the largest groups. Smaller groups included people with nationality of Guyana (1.7%), Colombia (1.0%), China (0.5%), the