Journal
JOURNAL OF NATURAL HISTORY
Volume 46, Issue 47-48, Pages 2979-2984Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00222933.2012.724723
Keywords
dwarf caiman; maternal care; radiotelemetry
Categories
Funding
- Embrapa Pantanal
- Fundect
- Fundacao O Boticario
- CNPq [Zilca Campos 479179/2004-2, 575603/2008-9, Izeni Farias 557090/2005-9, Albertina Lima 553997/2006-8]
- Santo Antonio Energia
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Post-hatching parental care is common in crocodilians, but the little information available for Cuvier's dwarf caiman (Paleosuchus palpebrosus) indicates that they show little post-hatching parental care. During surveys undertaken between 2005 and 2011, we counted and captured groups of hatchlings and observed the presence or absence of attending adults in streams around the Pantanal, along the Guapore-Madeira River and flooded forest in central Amazonia, Brazil. We found 37 groups of hatchlings, of which 29 were accompanied by adults. We captured 13 of these adults and all were females. The groups of hatchlings remained with adults for up to 21 months. We monitored females and hatchlings in streams around the Pantanal using captures and with radiotelemetry and showed that females and hatchlings frequently remained together in burrows, especially during the dry season.
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