Go birding in Taiwan

Such an interesting study Himalayan black bulbuls (Hypsipetes leucocephalus niggerimus) exhibit sexual dichromatism under ultraviolet light that is invisible to the human eye https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5382547/ can you ID the following which one is male which one is female ?

Omura's whale ( Balaenoptera omurai )  very rare record Rare live video record at Taiwan Hualien  So amazing !!!! video  👇 👇 https://www.youtube.com/watch?v=aAoeIoyuErA . https://en.wikipedia.org/wiki/Omura%27s_whale

Their Future is Our Future

Vanishing skills Handmade Chicken feathers duster Zhonglu Chen 73 years old , and he is the last one man who can handmade chicken feathers duster in Taiwan He start do chicken feathers duster when he was 50 years ago , he said this skill ( Chicken feathers duster ) is his father learns from tramp Although vacuum cleaner is very popular now , and no one is used chicken feathers duster . But he still do chicken feathers duster , because he want protect this skill until that day he can't do the chicken feathers duster