Islands: To celebrate Sir David Attenborough's 100th birthday, join him on Singapore's islands, home to creatures like the tiger tail seahorse and quick-changing cuttlefish. (3 of 4)

Hidden Wild: Celebrate Sir David Attenborough's 100th birthday by joining him among Singapore's hidden wildlife, with a look at how it adapts to life alongside humans. (1 of 4)

Urban Wild: Celebrate Sir David Attenborough's 100th birthday as he explored a day in Singapore's urban wildlife, from macaques to otters in Marina Bay. (2 of 4)

Islands: To celebrate Sir David Attenborough's 100th birthday, join him on Singapore's islands, home to creatures like the tiger tail seahorse and quick-changing cuttlefish. (3 of 4)

Hidden Wild: Celebrate Sir David Attenborough's 100th birthday by joining him among Singapore's hidden wildlife, with a look at how it adapts to life alongside humans. (1 of 4)

Urban Wild: Celebrate Sir David Attenborough's 100th birthday as he explored a day in Singapore's urban wildlife, from macaques to otters in Marina Bay. (2 of 4)