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HOUSE WREN Troglodytes aedon
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Creeping mouse-like through the vegetation, the House Wren would be easily overlooked were he not so fond of the company of man and the owner of a big voice that defies his little body. Known to the Paraguayans as “Ratonera” (ratón meaning mouse) for their rodent-like form of locomotion, there isn't a garden in the country which isn't frequented by this ubiquitous bird. Adaptable, bold, curious and confiding, they are well known for building their nests in anything from an empty plant pot to the eaves of a house roof, and though they may not be much to look at, their endearing character makes them one of the most popular inhabitants of Paraguayan towns.
Click on the images to enlarge them.
Gallery 1 - Adult and nest
FIGURE 1 - Adult, PROCOSARA, PN San Rafael (Sylvia Qu June 2008 - ECOSARA Biodiversity Database).
FIGURE 2 - Adult in tail moult singing, Encarnación, Departamento Itapúa (Paul Smith March 2007).
FIGURE 3 - Adult, Encarnación, Departamento Itapúa (Paul Smith September).
FIGURE 4 - Adult head detail, PROCOSARA, PN San Rafael (Paul Smith December - ECOSARA Biodiversity Database).
FIGURE 5 - Upperwing same individual (Paul Smith September - ECOSARA Biodiversity Database).
FIGURE 6 - Nest in plant pot, PROCOSARA, PN San Rafael (Paul Smith February 2006 - ECOSARA Biodiversity Database).
FIGURE 7 - Nest with eggs in a plastic bag full of cables hanging from a rusty nail in a garage, Encarnación, Departamento Itapúa (Paul Smith October 2006).
FIGURE 8 - Adult, Bahía Negra, Departamento Alto Paraguay (Teatske Nieuborg undated).
Designed by Paul Smith 2006. This website is copyrighted by law.
Material contained herewith may not be used without the prior written permission of FAUNA Paraguay.
Material on this page was provided by Paul Smith, Teatske Nieuborg and Sylvia Qu and is used with their permission.
Troglodytes aedon
1 song recorded Encarnación, Departamento Itapúa (Paul Smith April 2007).
2 song variant recorded Encarnación, Departamento Itapúa (Paul Smith August 2007).
3 wheezy call recorded PROCOSARA, PN San Rafael (Paul Smith March 2007 - ECOSARA Biodiversity Database).
4 begging call of 10 day old chicks followed by alarm call of adult recorded Encarnación, Departamento Itapúa (Paul Smith December 2007).
5 song variant recorded Estancia Laguna Blanca, Departamento San Pedro (Paul Smith October 2008).
Click the link to hear the call. Longer versions of this call can be downloaded from the Paraguay page of our partner website www.xeno-canto.com - the largest collection of freely downloadable Neotropical bird calls available online.
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Gallery 2 - Development of Chicks and Videos
This series of images was taken from a nest in Encarnación, Departamento Itapúa during October/November 2007. After successfully raising their brood the adults nested again in the same nest and location during December 2007.
VIDEO A - Adult, PROCOSARA, PN San Rafael (Paul Smith December - ECOSARA Biodiversity Database)
VIDEO B - Adult singing at end, Encarnación, Departamento Itapúa (Paul Smith August 2006).
VIDEO C - Same individual as Fig 2 giving agressive/alarm call (Paul Smith March 2007).