As the bird is not mentioned by any contemporary report, it was either very secretive or became extinct earlier than its congeners. Notably, it is not contained in the comprehensive listing of local fauna that Dubois made in 1671–72.
The bird's absence from contemporary records suggests it was either exceptionally secretive or vanished earlier than its relatives. Notably, it is not included in Dubois' comprehensive list of local fauna compiled between 1671 and 1672.