Table 1.

Summary of the studies. Monthly surveys are defined as visits to a specific market that are temporarily separated by at least one month; surveys in Garut were fortnightly.

Species	Purpose	Monthly Surveys (Period)	Location	Individuals Observed (Species)
1. Wandering whistling duck	Meat	23; 2005–2010	Jempang, East Kalimantan	10,567 (1)
2. Owls	Novelty pets	166; 2012–2020	Sumatra, Java, Bali	3002 (10)
3. Strawheaded bulbul	Song, competition	142; 2015–2020	Western and central Java	476 (1)
4. Bulbuls	Song	76; 2016–2019	Garut, West Java	4845 (2)
5. Non-passerine birds	Novelty pets	12; 2020	Instagram (Java)	281 (36)