Birds Perched, Birds Flying, Birds Aground

Qatar
Falcons
January 29, 2022
The stamp set depicts a Peregrine falcon and a Sakar falcon which won the three first places at the 2021 Al Mazayen (falcon beauty) championship.

Caribbean Netherlands
Birds of the Netherlands
April 1, 2022
The stamp set features Common Magpie (Pica pica), Great Cormorant (Phalacrocorax carbo), Common Elder (Somateria mollissima), Hen Harrier (Circus cyaneus), Great Reed Warbler (Acrocephalus arundinaceus), Common Kestrel (Falco tinnunculus), Mallard Duck (Anas platyrhynchos), Western Yellow Wagtail (Motacilla flava), Eurasian Jay (Garrulus glandarius), Eurasian Eagle Owl (Bubo bubo), Goldfinch (Carduelis carduelis), Barn Swallow (Hirundo rustica), Red Kite (Milvus milvus), Hawfinch (Coccothraustes coccothraustes), Common Kingfisher (Alcedo atthis), Black Grouse (Tetrao tetrix)), Common House Martin (Delichon urbicum), Sedge Warbler (Acrocephalus schoenobaenus), Canada Goose (Branta canadensis), Dwarf Sparrowhawk (Accipiter nanus), Northern Goshawk (Accipiter gentilis), White Stork (Ciconia Ciconia), Common Buzzard (Buteo buteo), Eurasian Oystercatcher (Haematopus ostralegus).

Malaysia
Birds – Kingfishers
October 23, 1993
The stamp set depicts White-breasted Kingfisher (Halcyon smyrnensis), Blue-eared Kingfisher (Alcedo meninting), Rufous-collared Kingfisher (Halcyon concreta), Black-backed Kingfisher (Ceyx Erithacus).

Parrots, issued by Samoa on April 8, 1991:

Black-capped Lory (Lorius lory)
Eclectus Parrot (Eclectus roratus)
Scarlet Macaw (Ara macao)
Palm Cockatoo (Probosciger aterrimus)

Argentina
100 Years of Aves Argentinas
September 19, 2016
The stamp set depicts hummingbirds Heliomaster furcifer, Hylocharis chrysura, Sappho sparganurus, and Chlorostilbon lucidus.

The Eurasian Capercaillie (Tetrao urogallus), issued for use in Tuva on April 4, 1934. This is the first stamp in the world shows this species:

The Eurasian Capercaillie on Austrian stamp issued on May 20, 1959:

Protection of Birds useful to Agriculture, a set of 10 engraved stamps, designed by Pierrette Lambert and engraved by different engravers as indicated, issued by Monaco on December 12, 1962:

Here are the first 5 of them:

Yellow Wagtail (Motacilla flava)
Engraved by René Cottet

European Robin (Erithacus rubecula)
Engraved by Charles Mazelin

Goldfinch (Carduelis carduelis)
Engraved by Georges Bétemps

Blackcap (Sylvia atricapilla)
Engraved by Charles Mazelin

Great Spotted Woodpecker (Dendrocopos major)
Engraved by Pierre Munier

The rest of the stamps:

Nightingale (Erithacus megarhynchos)
Engraved by Claude Durrens

Barn Owl (Tyto alba)
Engraved by Pierre Gandon

Common Starling (Sturnus vulgaris)
Engraved by Jules Piel

Red Crossbill (Loxia curvirostra)
Engraved by Pierre Béquet

White Stork (Ciconia ciconia)
Engraved by René Cottet

Birds, issued by El Salvador on June 22, 1963:

King Vulture (Sarcoramphus papa)
Yellow-headed Parrot (Amazona oratrix)
Spot-breasted Oriole (Icterus pectoralis)
Turquoise-browed Motmot (Eumomota superciliosa)
Great-tailed Grackle (Quiscalus mexicanus)
Great Curassow (Crax rubra)
White-throated Magpie-Jay (Calocitta formosa)
Golden-fronted Woodpecker (Melanerpes aurifrons)

The bird genus Balearica, called the crowned crane, contains two extant species: the black crowned crane (B. pavonina) and the grey crowned crane (B. regulorum). Here is a small selection of stamps shows both species:

Laos issued many bird sets but this one of Herons is certainly my favorite. It was issued on August 1, 2001 for the stamp exhibition in Tokyo:

Intermediate Egret (Egretta intermedia)
Cattle Egret (Bubulcus ibis)
Grey Heron (Ardea cinerea)
Great Egret (Egretta alba)

Lovebird Parrots, issued by Laos on March 7, 1997:

Birds of New Zealand, issued by Laos on August 24, 1990 to publicize the International Stamp Exhibition held in New Zealand in that year:

Pheasants, issued by Laos on June 29, 1986:

Up-to-date there are 58 pages in this topic relating to our feathered friends, from birds of paradise to the humble Wren that once adorned the reverse side of the British farthing.

Here is a stamp depicting a working bird that was often used to carry messages during the first world war 1914 - 18, an apt bird to decorate this airmail stamp of Switzerland, first issued on the 5th of July 1930.

These stamps were printed in sheets of 25 with a total quantity issued of only 200,000 of this 2 franc stamp.