While photos taken in Hong Kong are naturally preferred, extreme rarities such as Christmas Island Frigatebird taken overseas (please specify the location) are also welcome.

• 相片最好自然是在香港拍摄，但因为部份相片难求，如白腹军舰鸟，即使在外地拍摄也欢迎提供，但请注明拍摄地点；