Wild green imperial pigeon, ducula aenea perching on tree branch, raising its tail to show desire to mate, fly away at the end, close up shot wildlife bird species in its natural habitat

green imperial pigeon ducula aenea forest bird species animal perch tree branch dove wild wildlife jungle rainforest habitat natural birdwatching tail breed raise conservation display treetop wing tropical stand plumage feather asia spring season canopy migrate indonesia philippine china singapore zoo mandai reserve paradise park sanctuary fly avian mate lift