sentences:  With more than an 80% decrease in population in a period of 10 years it is now closely being monitored in Panama where it is still abundant in the lower elevations of central and eastern parts of the country.However, there have been no further reports on the populations of these lemur frogs endemic to Columbia.Due to their marked drop in population these species of lemurs has been listed as critically endangered by the International Union for Conservation of Nature since 2004.