Herons (Ardeidae)
Whistling Heron (Syrigma sibilatrix) - HBW 1, p. 405
French: Héron flûte du soleil
German: Pfeifreiher
Spanish: Garza Chiflona
Taxonomy: Ardea sibilatrix Temminck, 1824, Brazil and Paraguay.
Formerly placed with night herons, but behaviour and morphology place it closer to day herons; genetically seems closest to Egretta. Validity of race fostersmithi sometimes questioned. Two subspecies normally recognized.
Subspecies and Distribution:
- sibilatrix (Temminck, 1824) - Bolivia to SE Brazil and NE Argentina.
- fostersmithi Friedmann, 1949 - E Colombia, Venezuela.
- Least Concern Enlarge map
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Whistling Heron stalking prey. Locality Pantanal, Mato Grosso State, Brazil (ssp sibilatrix)
Mark Andrews 13 September 2009 2 years ago 1 min 30 sec 4.2 -
An individual perched on a fence and looking for prey Locality Estancia La Rábida, San José Department, Uruguay (ssp sibilatrix)
Joe Angseesing 22 February 2008 2 years ago 25 sec 4 -
Two birds meet in a marsh and confront each other Locality Okinawa Road, Santa Cruz Department, Bolivia (ssp sibilatrix)
Josep del Hoyo 9 August 2005 5 years ago 21 sec 3.9 -
A bird looking for prey on the ground Locality Ayacucho Department, Peru (ssp fostersmithi)
DAVID ASCANIO 30 September 2003 3 years ago 30 sec 3.9 -
Two birds in a wetland, one of them bathing Locality Guapi Açu Ecological Reserve (REGUA), Rio de Janeiro State, Brazil (ssp sibilatrix)
Josep del Hoyo 13 July 2007 4 years ago 24 sec 3.8 -
A bird looking around on the top of a tree Locality Hato Piñero, Cojedes State, Venezuela (ssp fostersmithi)
DAVID ASCANIO 31 December 2003 3 years ago 44 sec 3.6
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Whistling Heron, head and neck detail, Araras Lodge, Pantanal, Brazil
Locality Pantanal, Mato Grosso State, Brazil (ssp sibilatrix)
Mark Andrews 13 September 2009 2 years ago 4.3 -
A bird looking for food on a wetland.
Locality Loreto, Beni Department, Bolivia (ssp sibilatrix)
Joe Tobias 27 September 2005 5 weeks ago 4 -
Looking for prey at the edge of a small pond.
Locality Santa Teresa Lodge, Pantanal, Mato Grosso State, Brazil (ssp sibilatrix)
Nick Athanas 5 August 2010 1 year ago 3.9 -
An adult bird walking on a wetland.
Locality Okinawa Road, Santa Cruz Department, Bolivia (ssp sibilatrix)
Joe Tobias 11 September 2005 5 weeks ago 3.8 -
Costanera Sur Ecological Reserve, Buenos Aires, Buenos Aires Province, Argentina, Neotropical
Locality Costanera Sur Ecological Reserve, Buenos Aires, Buenos Aires Province, Argentina (ssp sibilatrix)
Silvia Vitale 3 October 2009 33 weeks ago 3.7 -
Individual perched high up on a branch.
Locality Villa Gesell, Buenos Aires Province, Argentina (ssp sibilatrix)
Santiago Meligeni Lozano 3 April 2010 1 year ago 3.7
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One individual in an open fiel. Locality Garabí, Corrientes Province, Argentina
(ssp sibilatrix)
Kini Roesler 7 May 2009 2 years ago 4
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