Adult Victoria crowned pigeon, goura victoria roosting on the tree nest, nurturing and raising the baby, exhibiting signs of heavy breathing or abnormal throat movements, respiratory distress

victoria crowned pigeon goura bird roost tree nest birdwatching animal conservation singapore zoo forest park sanctuary mandai reserve new guinea natural habitat wild wildlife species blue crest threaten behaviour heavy breathing respiratory issue throat health breed offspring child mother nurture care protect newborn raise young brooding stick parent chick twig