Currently there are some minor/major restrictions to enter certain protected sites in Thailand due to ongoing covid-19 situation. The restrictions varies from park to park. Follow this link for an up to date situation report.
Species of Thailand
Binomial name: Niltava grandis, Edward Blyth, 1842
The large niltava (Niltava grandis) is a species of bird in the family Muscicapidae. It is found in Bangladesh, Bhutan, Cambodia, China, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Thailand, and Vietnam. Its natural habitat is subtropical or tropical montane forests.