Abstract
The Black-crowned Night heron (Nycticorax nycticorax) is a known visitor in Sumatra with more sighting records in the eastern side of the island. Meanwhile, on the west, it was historically recorded from only two offshore islands, namely Nias and Enggano. During the waterbird survey from early 2018 at Pasir Jambak Beach of Padang City in the coastline of West Sumatra, a Night heron was spotted among the colony of mixed egret species. This is the first record of its kind in the province of West Sumatra, although, previous records cover almost all provinces in Sumatra. The summary of the compiled records of this species indicates that it is probably a vagrant along the western coastline, while it visits more frequently on the eastern side.
Highlights
The Black-crowned Night heron (Nycticorax nycticorax) is widely distributed across the globe with its four known subspecies (del Hoyo et al, 1992)
For establishing the historical records on Black-crowned Night heron in Sumatra, any published record on the species in Sumatra was exhaustively tracked facilitated by online searching engine using a combination of keywords ‘Nycticorax nycticorax,’ ‘Black-crowned Night heron', and ‘Sumatra’
Rufous Night-heron (Nycticorax caledonicus), another Nycticorax member in Indonesian Archipelago, is different from its rufous or reddish brown upper wing covert (MacKinnon et al, 1998), which was previously not recorded in Sumatra until 2000 (Iqbal & Takari, 2006)
Summary
The Black-crowned Night heron (Nycticorax nycticorax) is widely distributed across the globe with its four known subspecies (del Hoyo et al, 1992). It is recognized by its black crown, nape, and back, which contrasted with its whitish underpart and grey wings and tail (King et al, 1975). In Sumatra, this species is recorded more from the eastern coastline, including the offshore islands It was sighted as rare visitors in several locations in Lampung (van Marle & Voous, 1988; Parrott & Andrew, 1996), South Sumatra (Verheugt et al, 1992), Jambi, North
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