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Difference between revisions of "Little Egret" - BirdForum Opus

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[[Image:Little_Egret.jpg|thumb|550px|right|Photo by {{user|alibenn|alibenn}}<br />Beidaihe, [[China]], September 2005]]
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[[Image:little_egret_alok.JPG|thumb|500px|right|Full breeding plumage, nominate subspecies<br />Photo ©  by {{user|aloktewari|Alok Tewari}}<br />[[Keoladeo National Park]], Bharatpur, [[india]], June-2015]]
 
;[[:Category:Egretta|Egretta]] garzetta
 
;[[:Category:Egretta|Egretta]] garzetta
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'''Includes: Dimorphic Egret, Black-footed Egret'''
 
==Identification==
 
==Identification==
A small white heron with black legs and bill, and yellow feet. In breeding plumage it has two long slender plumes from the back of the head and plumes on the back and breast. Most of the year, the [[Topography#Heads|lores]]  are bluish-grey, but in pre-breeding display they become bright yellow, orange, or even flushed bright red in excited birds.
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[[Image:Little_Egret.jpg|thumb|350px|right|Photo ©  by {{user|alibenn|alibenn}}<br />Beidaihe, [[China]], September 2005]]
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(21¾-25½ in) 55–65 cm. A small white heron
 +
*overall white
 +
*legs and bill black
 +
*feet yellow or black (''nigripes'')
  
In winter plumage, the plumes are lost.
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'''Breeding:'''
 +
*2 long slender plumes from the back of the head
 +
*plumes on the back and breast.
 +
*[[Topography#Heads|lores]] bright yellow, orange, or even flushed bright red (excited birds) in pre-breeding display
 +
 
 +
'''Non-breeding:'''
 +
*[[Topography#Heads|lores]] are bluish-grey or yellow (''nigripes'')
 +
*Breeding filo plumes absent
  
 
Juveniles differ in having no plumes, and drabber bare part colours, with dingy dark grey-green legs with more extensive dull blackish-yellow on the lower legs, a dark grey bill with a paler base, and dull grey lores.
 
Juveniles differ in having no plumes, and drabber bare part colours, with dingy dark grey-green legs with more extensive dull blackish-yellow on the lower legs, a dark grey bill with a paler base, and dull grey lores.
====Variation====
 
[[Image:Little_Egret_by_Cristian_Mihai.jpg|thumb|300px|right|Photo by {{user|Cristian_Mihai|Cristian_Mihai}}<br />Chiajna (Ilfov), [[Romania]], May 2008]]
 
Race ''nigripes'' is similar to the nominate, however their feet are black, sometimes with yellow soles; their eyes may turn red during courtship. Race ''immaculata'' has yellow lores in non-breeding plumage and like ''nigripes'' they have black feet with yellow soles; both lores, eyes and soles of feet turn red during courtship, while back plumes are more highly developed than other races of this species as well as [[Western Reef Heron]].
 
 
 
====Similar species====
 
====Similar species====
 +
[[Image:P1740556RGp900n2.jpg|thumb|350px|right|Juvenile<br />Photo © by {{user|ChrisKten|ChrisKten}}<br />[[London]], [[UK]], June 2014]]
 
On Little Egret, the upper edge of the bare facial skin is straight from eye to bill, while in [[Chinese Egret]] that line goes down before going back up<sup>[[#References|[2]]]</sup>. See also [[Snowy Egret]] for comparison of that species with Little Egret<sup>[[#References|[3]]]</sup>.
 
On Little Egret, the upper edge of the bare facial skin is straight from eye to bill, while in [[Chinese Egret]] that line goes down before going back up<sup>[[#References|[2]]]</sup>. See also [[Snowy Egret]] for comparison of that species with Little Egret<sup>[[#References|[3]]]</sup>.
 +
 
==Distribution==
 
==Distribution==
 +
[[Image:Little Egret92.JPG|thumb|350px|right|Subspecies ''nigripes'' with yellow soles just visible<br />Photo ©  by {{user|Ken+Doy|Ken Doy}}<br />Wellington Point, [[Queensland]], [[Australia]], September 2014]]
 
From western and southern [[Europe]], though southern [[Asia]] to [[Korea]], [[Japan]], and [[Indonesia]] to [[New Guinea]], as well in northern and eastern [[Australia]], and [[New Zealand]].  
 
From western and southern [[Europe]], though southern [[Asia]] to [[Korea]], [[Japan]], and [[Indonesia]] to [[New Guinea]], as well in northern and eastern [[Australia]], and [[New Zealand]].  
[[Image:P1740556RGp900n2.jpg|thumb|350px|right|Juvenile<br />Photo by {{user|ChrisKten|ChrisKten}}<br />[[London]], [[UK]], June 2014]]
+
 
 
In recent years it has increased substantially in western Europe, with breeding first recorded in [[Great Britain]] in 1996, rising to around 100 pairs in 2001 and 900 pairs in 2012. First breeding in [[Ireland]], [[Austria]] and [[Poland]] took place in 1997. This is largely a recolonisation, as the species was abundant in Britain in mediaeval times, being popular on the menu of large banquets; it became extinct in this region by the 16th century due to a combination of over-hunting and colder winters in the "Little Ice Age"<sup>[[#References|[4]]]</sup>. In Britain Little Egrets can now be seen on estuaries and lowland pools almost anywhere except for central and northern [[Scotland]]. The largest numbers, often several hundred, occur from [[Cornwall]] to West [[Sussex]], with numbers reaching a peak in autumn when many immature birds arrive on post-breeding dispersal from further south.
 
In recent years it has increased substantially in western Europe, with breeding first recorded in [[Great Britain]] in 1996, rising to around 100 pairs in 2001 and 900 pairs in 2012. First breeding in [[Ireland]], [[Austria]] and [[Poland]] took place in 1997. This is largely a recolonisation, as the species was abundant in Britain in mediaeval times, being popular on the menu of large banquets; it became extinct in this region by the 16th century due to a combination of over-hunting and colder winters in the "Little Ice Age"<sup>[[#References|[4]]]</sup>. In Britain Little Egrets can now be seen on estuaries and lowland pools almost anywhere except for central and northern [[Scotland]]. The largest numbers, often several hundred, occur from [[Cornwall]] to West [[Sussex]], with numbers reaching a peak in autumn when many immature birds arrive on post-breeding dispersal from further south.
  
In north [[Africa]] occurs from the [[Cape Verde Islands]] and coastal [[Mauritania]] to [[Tunisia]] and throughout the Nile Delta and valley. It is also widespread south of the Sahara, from [[Senegal]] to [[Somalia]] and south to [[South Africa]].
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In north [[Africa]] occurs from the [[Cape Verde Islands]] and coastal [[Mauritania]] to [[Tunisia]] and throughout the Nile Delta and valley. It is also widespread south of the Sahara, from [[Senegal]] to [[Somalia]] and south to [[South Africa]]. The subspecies ''dimorpha'' is found on [[Madagascar]].
  
 
Most European and west Asian birds migrate to sub-Saharan Africa but others winter around the Mediterranean, and small numbers as far north as southern Scotland. Post-breeding dispersal takes many birds north of main breeding range in late summer and autumn.
 
Most European and west Asian birds migrate to sub-Saharan Africa but others winter around the Mediterranean, and small numbers as far north as southern Scotland. Post-breeding dispersal takes many birds north of main breeding range in late summer and autumn.
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==Taxonomy==
 
==Taxonomy==
[[Image:Little Egret92.JPG|thumb|350px|right|Subspecies ''immaculata'' with yellow soles just visible<br />Photo by {{user|Mzungu|Mzungu}}<br />Wellington Point, [[Queensland]], [[Australia]], September 2014]]
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[[Image:IMG 8223 Edited-1.jpg|thumb|350px|right|Nominate subspecies<br />Photo ©  by {{user|letsbefrank|letsbefrank}}<br />Kamo River, Kyoto, [[Japan]], October 2016]]
 +
Some authors formerly considered the [[Western Reef Egret]] and [[Pacific Reef Egret]] to be subspecies of this species<sup>[[#References|[5]]]</sup>.<br />
 +
 
 +
Subspecies ''dimorpha'' is recognized as a full species, "Dimorphic Egret" (''E. dimorpha'') by some authorities. Subspecies ''nigripes'' may be split as "Black-footed Egret", ''E. nigripes'' based on different bare part colouration.
 
====Subspecies====
 
====Subspecies====
There are 3 subspecies<sup>[[#References|[1]]]</sup>
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[[Image:White_phase_dimorphic_egret_kenya.JPG|thumb|350px|right|white morph subspecies ''dimorpha''<br>Photo &copy; by {{user|THE_FERN|THE_FERN}}. Lake Magadi, [[Kenya]], October 2021]]
*''E. g. garzetta'':
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[[Image:Dimorphic_Egret.jpg|thumb|350px|right|Dark morph subspecies ''dimorpha''<br />Photo ©  by {{user|nkgray|nkgray}}<br />Ras Nungwi, Zanzibar, [[Tanzania]], February 2005]]
:*Widespread [[Eurasia]], east and [[South Africa]]
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Clements recognises the following subspecies [[#References|[1]]]:
*''E. g. nigripes'':
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*''E. g. garzetta'': Widespread [[Eurasia]], east and [[South Africa]]
:*[[Java]] and [[Philippines]] to [[New Guinea]]
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*''E. g. nigripes'': "'''Black-footed Egret'''". [[Indonesia]] and [[Philippines]] to [[New Guinea]] and northern and eastern [[Australia]] and [[New Zealand]]. [Black feet, sometimes with yellow soles; lores, eyes and soles of feet turn red during courtship, back plumes are more highly developed than other races (and [[Western Reef Heron]]). Yellow lores in non-breeding plumage]
*''E. g. immaculata'':
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*''E. g. dimorpha'': "'''Dimorphic Egret'''". East [[Africa]] ([[Kenya]], [[Tanzania]]), [[Madagascar]], Aldabra and Assumption Island
:*Northern and eastern [[Australia]]; occasional [[New Zealand]]
 
 
 
Some authors formerly considered the [[Western Reef Egret]], [[Pacific Reef Egret]] and [[Dimorphic Egret]] to be subspecies of this species<sup>[[#References|[5]]]</sup>.
 
  
 +
Subspecies ''nigripes'' is sometimes called ''immaculata'' but this seems to be a junior synonym. The subspecies ''dimorpha'' has a dark, an intermediate and a pale morph.
 
==Habitat==  
 
==Habitat==  
 
Slow-flowing rivers, shallow lakes and flooded fields, also on brackish lagoons, estuaries and along shorelines.  
 
Slow-flowing rivers, shallow lakes and flooded fields, also on brackish lagoons, estuaries and along shorelines.  
  
 
==Behaviour==
 
==Behaviour==
[[Image:IMG 8223 Edited-1.jpg|thumb|350px|right|Nominate subspecies<br />Photo by {{user|letsbefrank|letsbefrank}}<br />Kamo River, Kyoto, [[Japan]], October 2016]]
 
 
Forms communal roosts where birds from a large area gather at dusk.  
 
Forms communal roosts where birds from a large area gather at dusk.  
 
====Breeding====
 
====Breeding====
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They have a wide, varied diet; mostly consisting of small fish, but they also include amphibians, insects and small mammals.
 
They have a wide, varied diet; mostly consisting of small fish, but they also include amphibians, insects and small mammals.
 
====Vocalisation====
 
====Vocalisation====
<flashmp3>Egretta garzetta (song).mp3</flashmp3><br />
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{{ Audio|Egretta garzetta (song).mp3 }}
''[[Media:Egretta garzetta (song).mp3|Listen in an external program]]''
 
  
 +
==Gallery==
 +
Click images to see larger version
 +
<gallery>
 +
Image:Little_Egret_by_Cristian_Mihai.jpg| © By {{user|Cristian_Mihai|Cristian_Mihai}}<br />Chiajna (Ilfov), [[Romania]], May-2008
 +
</gallery>
 
==References==
 
==References==
#{{Ref-Clements6thAug14}}#[http://www.birdforum.net/showthread.php?p=2580284 Birdforum thread] discussing id of Little and Chinese Egrets.
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#{{Ref-Clements6thAug19}}#[http://www.birdforum.net/showthread.php?p=2580284 Birdforum thread] discussing id of Little and Chinese Egrets.
#[http://secrb.trinidadbirding.com/idlittlesnowyegret.html An identification essay] comparing Little and Snowy Egrets.
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#[http://ttbsdc.ttfnc.org/SECB/records/idlittlesnowyegret.html An identification essay] comparing Little and Snowy Egrets.
 
#Bourne, W. R. P. (2003). Fred Stubbs, Egrets, Brewes and climatic change. ''British Birds'' 96: 332–339.
 
#Bourne, W. R. P. (2003). Fred Stubbs, Egrets, Brewes and climatic change. ''British Birds'' 96: 332–339.
 
#{{Ref-HBWVol1}}#British Trust for Ornithology
 
#{{Ref-HBWVol1}}#British Trust for Ornithology
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==External Links==
 
==External Links==
{{GSearch|Egretta+garzetta}}
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{{GSearch|"Egretta garzetta" {{!}} "Little Egret" {{!}} "Dimorphic Egret"}}
 +
<br />
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{{VSearch|"Egretta garzetta" {{!}} "Little Egret" {{!}} "Dimorphic Egret"}}
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{{GS-checked}}1
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<br />
 
<br />
 
<br />
{{Video|Little_Egret}}
 
  
[[Category:Birds]][[Category:Egretta]] [[Category:Videos]][[Category:Bird Songs]]
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[[Category:Birds]][[Category:Egretta]] [[Category:Bird Songs]] [[Category:Videos]]

Latest revision as of 04:45, 25 September 2023

Full breeding plumage, nominate subspecies
Photo © by Alok Tewari
Keoladeo National Park, Bharatpur, india, June-2015
Egretta garzetta

Includes: Dimorphic Egret, Black-footed Egret

Identification

Photo © by alibenn
Beidaihe, China, September 2005

(21¾-25½ in) 55–65 cm. A small white heron

  • overall white
  • legs and bill black
  • feet yellow or black (nigripes)

Breeding:

  • 2 long slender plumes from the back of the head
  • plumes on the back and breast.
  • lores bright yellow, orange, or even flushed bright red (excited birds) in pre-breeding display

Non-breeding:

  • lores are bluish-grey or yellow (nigripes)
  • Breeding filo plumes absent

Juveniles differ in having no plumes, and drabber bare part colours, with dingy dark grey-green legs with more extensive dull blackish-yellow on the lower legs, a dark grey bill with a paler base, and dull grey lores.

Similar species

Juvenile
Photo © by ChrisKten
London, UK, June 2014

On Little Egret, the upper edge of the bare facial skin is straight from eye to bill, while in Chinese Egret that line goes down before going back up[2]. See also Snowy Egret for comparison of that species with Little Egret[3].

Distribution

Subspecies nigripes with yellow soles just visible
Photo © by Ken Doy
Wellington Point, Queensland, Australia, September 2014

From western and southern Europe, though southern Asia to Korea, Japan, and Indonesia to New Guinea, as well in northern and eastern Australia, and New Zealand.

In recent years it has increased substantially in western Europe, with breeding first recorded in Great Britain in 1996, rising to around 100 pairs in 2001 and 900 pairs in 2012. First breeding in Ireland, Austria and Poland took place in 1997. This is largely a recolonisation, as the species was abundant in Britain in mediaeval times, being popular on the menu of large banquets; it became extinct in this region by the 16th century due to a combination of over-hunting and colder winters in the "Little Ice Age"[4]. In Britain Little Egrets can now be seen on estuaries and lowland pools almost anywhere except for central and northern Scotland. The largest numbers, often several hundred, occur from Cornwall to West Sussex, with numbers reaching a peak in autumn when many immature birds arrive on post-breeding dispersal from further south.

In north Africa occurs from the Cape Verde Islands and coastal Mauritania to Tunisia and throughout the Nile Delta and valley. It is also widespread south of the Sahara, from Senegal to Somalia and south to South Africa. The subspecies dimorpha is found on Madagascar.

Most European and west Asian birds migrate to sub-Saharan Africa but others winter around the Mediterranean, and small numbers as far north as southern Scotland. Post-breeding dispersal takes many birds north of main breeding range in late summer and autumn.

Recorded as a vagrant to most European countries out of usual range north and east to Iceland and the Faroe Islands, Norway, Latvia and Belarus, also recorded in the Azores, Madeira and Canary Islands (first breeding in 1995).

It has also recently (since 1994) colonised the Western Hemisphere, with a breeding colony on Barbados, and has occurred with several reports from Trinidad to Martinique and Puerto Rico, and with vagrants north through the eastern United States and Canada with records in Delaware, New Brunswick, Maine, Massachusetts, and Newfoundland.

Taxonomy

Nominate subspecies
Photo © by letsbefrank
Kamo River, Kyoto, Japan, October 2016

Some authors formerly considered the Western Reef Egret and Pacific Reef Egret to be subspecies of this species[5].

Subspecies dimorpha is recognized as a full species, "Dimorphic Egret" (E. dimorpha) by some authorities. Subspecies nigripes may be split as "Black-footed Egret", E. nigripes based on different bare part colouration.

Subspecies

white morph subspecies dimorpha
Photo © by THE_FERN. Lake Magadi, Kenya, October 2021
Dark morph subspecies dimorpha
Photo © by nkgray
Ras Nungwi, Zanzibar, Tanzania, February 2005

Clements recognises the following subspecies [1]:

Subspecies nigripes is sometimes called immaculata but this seems to be a junior synonym. The subspecies dimorpha has a dark, an intermediate and a pale morph.

Habitat

Slow-flowing rivers, shallow lakes and flooded fields, also on brackish lagoons, estuaries and along shorelines.

Behaviour

Forms communal roosts where birds from a large area gather at dusk.

Breeding

Breeds colonially in trees near water. They lay from 4 to 6 eggs hatching after 3 weeks. They fledge at 4 weeks old spending a further 4 weeks in the care of the adults.

Diet

They have a wide, varied diet; mostly consisting of small fish, but they also include amphibians, insects and small mammals.

Vocalisation

Gallery

Click images to see larger version

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Birdforum thread discussing id of Little and Chinese Egrets.
  3. An identification essay comparing Little and Snowy Egrets.
  4. Bourne, W. R. P. (2003). Fred Stubbs, Egrets, Brewes and climatic change. British Birds 96: 332–339.
  5. Del Hoyo, J, A Elliot, and J Sargatal, eds. 1992. Handbook of the Birds of the World. Volume 1: Ostrich to Ducks. Barcelona: Lynx Edicions. ISBN 978-8487334108
  6. British Trust for Ornithology
  7. ArKive

Recommended Citation

External Links


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