This species is rare and occurs in and around mixed evergreen forests of Greater Sylhet in the northeast. Both EOO and AOO of this species are relatively small and restricted to a few forest patches. Continuing decline of the quality of its known and potential habitats has been observed. Therefore, it qualifies for Endangered category.

The population of this species is known to have been decreased. Although, Gittins and Akonda (1982) estimated only 100 individuals in Bangladesh. Khan 1987 considered the total population of Hanuman in Bangladesh to be between 250 and 300 individuals considering all ages. Khan and Ahsan (1986) reported 89 individuals in 8 groups in Jessore. Khatun (2012) reported 246 individuals at six villages of Keshabpur under Jessore District. Currently, approximately 204 individuals have been observed in at 11 groups distributed in Keshabpur and Monirampur Upazilas under the same district (Anon 2015, unpublished report), though the total population is not more than 250 individuals occurring in all districts. The number of mature individuals in total population could be slightly more than 140. The Extent of Occurrence of this species is more than 100 km2 but below 5,000 km2. Actual Area of Occupancy is above 10 km2. Since male migration has been occurring, all groups together can be considered as single population.

This species has a restricted distribution only in the mixed evergreen forests of northeast, east and southeast of the country. So, it is inferred that at least 50% of its population has been reduced due to the decline of its AOO, EOO, over the last two decades or so, unprecedented changes in habitat qualities and potential level of exploitation that are continuing unabated. It has been wiped out from its former range in the Sal forests (Khan 1987). Thus, it has been categorized as Endangered.

This species is restricted to some fragmented patches of mixed evergreen forests and population size is below the threshhold level of Endangered category. Due to the adverse effects on Area of Occupancy and Extent of Occurrence, quality of habitat, restricted number of locations and an insignificant number of mature individuals, it qualifies for Endangered.

This species has been recorded only from three locations; one in the northeast and the remaining two in the southeast. Its Extent of Occurrence, Area of Occupancy and habitat quality have been declining and presently occupying Extent of Occurrence and Area of Occupancy are within the threshold of Endangered category (Khan 1981, 1985, 1987, 2015, Gittins and Akonda 1982, Feeroz et al. 1995, Feeroz 2001, Khan and Ahsan 1986).

The population outside the forest has virtually being wiped out. Though this species is widely distributed in the forested areas, but based on its existing threats it is suspected that at least 50% of its population, AOO and habitat quality has been reduced and the process is still continuing. Thus, it is categorized as Endangered.

This species is widely distributed with low population density. Based on its existing threat, it is suspected that more than 50% of its population has been declined during the last two decades. Its Area of Occupancy and habitat quality have been reduced and the process is still continuing. Thus, it has been categorized as Endangered.

This species is rare and restricted only to a few severely fragmented areas in the eastern Chittagong Hill Tracts in the southeast of Bangladesh. It used to occur in the forests of Rema-Kalenga Wildlife Sanctuary in the northeast until 2000. The quality and quantity of habitats are declining rapidly when prey species is diminishing at an alarming rate. It has been assumed that at least 50% of the population has been reduced over the last ten years. Therefore, it qualifies for Endangered category.

In the last few decades the range of Asian Small-clawed Otter has shrunk particularly in the western portion of its range in the country. Its habitats are severely fragmented and there is an ongoing decline in the extent and quality of its habitat, as well as the number of locations and subpopulations and number of mature individuals due to anthropogenic disturbances and habitat exploitation. It is suspected that the population size is below the threshold level of Endangered category. These factors qualify this species as Endangered.

This species is only found in forested areas of Bangladesh with very low population. Based on its existing threats it is suspected that at least 50% of its population, Area of Occupancy and habitat quality have been reduced that is still continuing. Thus, it is categorized as Endangered.