Deep, helical, communal nesting and emergence in the sand monitor: ecology informing paleoecology?

2018 ◽  
Vol 305 (2) ◽  
pp. 88-95 ◽  
Author(s):  
J. Sean Doody ◽  
Colin McHenry ◽  
Mike Brown ◽  
Gordon Canning ◽  
Gary Vas ◽  
...  
Keyword(s):  
2014 ◽  
Vol 21 (2) ◽  
pp. 71-72
Author(s):  
Christopher D. Robinson ◽  
Bonnie K. Kircher ◽  
Michele A. Johnson
Keyword(s):  

2019 ◽  
Vol 1 (1) ◽  
Author(s):  
T -R Yang ◽  
T Engler ◽  
J N Lallensack ◽  
A Samathi ◽  
M Makowska ◽  
...  

Synopsis Dinosaur nesting biology has been an intriguing research topic, though dinosaur behaviors were relatively less illuminated because of the constraints of the fossil record. For instance, hatching asynchrony, where eggs in a single clutch hatch at different times, is unique to modern neoavian birds but was also suggested to be present in oviraptorid dinosaurs based on a possible partial clutch of four embryo-containing eggs from Mongolia. Unfortunately, unequivocal evidence for the origination of these eggs from a single clutch is lacking. Here we report a new, better preserved partial oviraptorid clutch with three embryo-containing eggs—a single egg (Egg I) and a pair (Egg II/III)—from the Late Cretaceous Nanxiong Group of Jiangxi Province, China. Geopetal features indicate that the pair of eggs was laid prior to the single egg. Neutron tomographic images in combination with osteological features indicate that the embryo of the single egg is less developed than those of the paired eggs. Eggshell histology suggests that the embryo-induced erosion in the paired eggs is markedly more pronounced than in the single egg, providing a new line of evidence for hatching asynchrony. The inferred hatching asynchrony in combination with previously surmised thermoregulatory incubation and communal nesting behaviors very likely suggests that oviraptorid dinosaurs presented a unique reproductive biology lacking modern analogs, which is contrary to the predominant view that their reproductive biology was intermediate between that of modern crocodiles and birds.


2004 ◽  
Vol 34 (2) ◽  
pp. 331-332 ◽  
Author(s):  
Welton Yudi ODA

Communal nesting has been registered for a number of lizard species at different sites. Here it is described communal egg laying of Gonatodes humeralis at different sites near and in human buildings in the period between 1990 and 1998. All these communal nests have been found in the dry season, between April and July, suggesting that the nests of are more common in this season, when the activity of their predators is less intense and the reduction of humidity diminish the decomposition action of the fungi that may kill the eggs.


The Condor ◽  
1989 ◽  
Vol 91 (4) ◽  
pp. 992
Author(s):  
John E. C. Flux ◽  
Margaret M. Flux

1965 ◽  
Vol 65 (2) ◽  
pp. 133-138 ◽  
Author(s):  
H. L. Bell
Keyword(s):  

Herpetologica ◽  
2018 ◽  
Vol 74 (4) ◽  
pp. 306-310
Author(s):  
J. Sean Doody ◽  
Colin R. McHenry ◽  
Louise Durkin ◽  
Mike Brown ◽  
Angela Simms ◽  
...  

1984 ◽  
Vol 18 (1) ◽  
pp. 73 ◽  
Author(s):  
William E. Magnusson ◽  
Albertina P. Lima
Keyword(s):  

1992 ◽  
Vol 39 (3) ◽  
pp. 301-311 ◽  
Author(s):  
C. A. Gar�falo ◽  
E. Camillo ◽  
M. J. O. Campos ◽  
J. C. Serrano

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