Singapore-Our Garden in a City

My favorite type of bird covers are when I get multiples of the same stamp as you see here with the Orienttal Pied Hornbill. There's also a Crimson Sunbird  illustrated on these stamps .

Singapore-Our Garden in a City

A set of four very colorful attractive stamps from Singapore to highlight the many flowers and birds which can be found on this highly urbanized and well organized island state.
The birds are
1st Local-Collared kingfisher ( Todiramphus chloris)
50c-Crimson Sunbird (Aethopyga siparaja) & Oriental Pied Hornbill ( Anthacoceros albirostris)
80c-Oriental Magpie robin ( Copychus saularis
$1.10-Baya Weaver (Ploceus philippinus)