Bitterns, Herons, Egrets, Ibis, Spoonbills
Plethora of Waders – Hong Kong, China – January 2017
Last revision date: April 01, 2017
List below represents first observation (lifer tick) and the location/country that the first species was first observed and recorded in the database.
| Species | First Observation | Country | Record Date |
| Yellow Bittern – Ixobrychus sinensis | SG Botanic Gardens–Eco Lake | Singapore | 03 Jan 2017 |
| Little Bittern – Ixobrychus minutus | Vransko jezero | Croatia | 14 May 2016 |
| Rufescent Tiger-Heron – Tigrisoma lineatum | Pipeline Road (Camino del Oleoducto) General area | Panama | 18 Feb 2015 |
| Bare-throated Tiger-Heron – Tigrisoma mexicanum | Carara National Park, Playa Hermosa | Costa Rica | 29 Dec 2013 |
| Great Blue Heron – Ardea herodias | PN Islas Marietas | Mexico | 09 Mar 2013 |
| Gray Heron – Ardea cinerea | Breda | Netherlands | 27 Apr 2014 |
| Purple Heron – Ardea purpurea | Giare di Mira | Italy | 08 May 2016 |
| Great Egret – Ardea alba | Coco Beach, Rio Grande | Puerto Rico | 31 Jan 2013 |
| Intermediate Egret – Mesophoyx intermedia | Sungei Buloh Wetland Reserve | Singapore | 30 Dec 2016 |
| Little Egret – Egretta garzetta | Playa Sotaventro | Canary Islands, Spain | 25 Dec 2009 |
| Snowy Egret – Egretta thula | Flamingos | Mexico | 04 Mar 2013 |
| Little Blue Heron – Egretta caerulea | PN Islas Marietas | Mexico | 09 Mar 2013 |
| Tricolored Heron – Egretta tricolor | Carara National Park, Playa Hermosa | Costa Rica | 29 Dec 2013 |
| Cattle Egret – Bubulcus ibis | Morro Jable | Canary Islands, Spain | 25 Dec 2009 |
| Squacco Heron – Ardeola ralloides | Vransko jezero | Croatia | 14 May 2016 |
| Chinese Pond-Heron – Ardeola bacchus | Vietnam – Salt Pans | Vietnam | 09 Jan 2017 |
| Green Heron – Butorides virescens | Coco Beach, Rio Grande | Puerto Rico | 31 Jan 2013 |
| Striated Heron – Butorides striata | Pasir Ris Park | Singapore | 31 Dec 2016 |
| Capped Heron – Pilherodius pileatus | Clayton | Panama | 16 Feb 2015 |
| Black-crowned Night-Heron – Nycticorax nycticorax | Estero San José | Mexico | 23 Dec 2013 |
| Yellow-crowned Night-Heron – Nyctanassa violacea | PN Islas Marietas | Mexico | 09 Mar 2013 |
| Boat-billed Heron – Cochlearius cochlearius | Carara National Park, Playa Hermosa | Costa Rica | 29 Dec 2013 |
| White Ibis – Eudocimus albus | Carara National Park, Playa Hermosa | Costa Rica | 29 Dec 2013 |
| Glossy Ibis – Plegadis falcinellus | RN Estuário do Tejo–área geral | Portugal | 10 Jan 2015 |
| Sacred Ibis – Threskiornis aethiopicus | Parco urbano Bassani | Italy | 20 May 2016 |
| Eurasian Spoonbill – Platalea leucorodia | RN Estuário do Tejo–área geral | Portugal | 10 Jan 2015 |
| Black-faced Spoonbill – Platalea minor | Mai Po–Tam Kon Chau Road | Hong Kong, China | 14 Jan 2017 |
