My father took me to Khung Kraben, a tombolo at the east part of Thailand some 60 kilometres from Cambodian border! We walked along the wooden deck in mangrove forest. It was really a nice place with full of information about mangrove although all of them are in Thai. I took pictures of some boards, so I need to ask him to translate. I saw Collared Kingfisher and Green Bee-eater there.