| Citation |
BirdLife International. 2016. Dicrurus paradiseus. The IUCN Red List of Threatened Species 2016: e.T103711122A94102694. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T103711122A94102694.en. Downloaded on 25 July 2020. |
Description |
JUSTIFICATION
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). Despite the fact that the population trend appears to be decreasing, the decline is not believed to be sufficiently rapid to approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
RANGE DESCRIPTION
Dicrurus paradiseus (Gould, 1836) – has a very large range extending from the southern foothills of the Himalayas from northern (Kumaon) and peninsular India east to extreme northern Assam, Andaman and Nicobar islands, Myanmar (Chin Hills, Shan States,Tenasserim, Tenasserim and Mergui Archipelago), Bangladesh, China (Yunnan and Hainan island), including islands in the south China Sea (Tioman island, Anambas islands and northern Natunas), Indochina, Sri Lanka, the Malay Peninsula (including islands except Tioman island), Sumatra (including Simeulue, Banyak islands and Nias island ), Riau Archipelago, Lingga Archipelago and Bangka island, Balambangan island, Banggi island and Laut island off the Bornean coast, Java and Bali (Indonesia).
DESCRIPTION
The global population size has not been quantified, but the species is described as locally common to uncommon (Grimmett et al. 1998)
Trend Justification: According to MacKinnon and Phillips (1993) the extent of lowland forest in Java and Bali has been reduced, resulting in the species becoming increasingly rare. The loss of this habitat is suspected to be ongoing. |
