Arid
DOI10.1098/rspb.2018.0632
Evidence for atypical nest overwintering by hatchling lizards, Heloderma suspectum
DeNardo, Dale F.1; Moeller, Karla T.1; Seward, Mark; Repp, Roger2
通讯作者DeNardo, Dale F.
来源期刊PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
ISSN0962-8452
EISSN1471-2954
出版年2018
卷号285期号:1879
英文摘要

The timing of reproductive events (e.g. oviposition and hatching) to coincide with favourable seasonal conditions is critical for successful reproduction. However, developmental time may not match the duration between the optimal time for oviposition and the optimal time for hatchling survival. Thus, strategies that alter the time between oviposition and hatchling emergence can be highly advantageous. Arrested development and the resulting extension of the duration between oviposition and hatching has been widely documented across oviparous amniotes, but nest overwintering by hatchlings has only been documented in aquatic chelonians that live where winters are quite cold. Herein, we present a compilation of evidence regarding reproductive phenology by hatchlings of the Gila monster (Heloderma suspectum), a lizard inhabiting the Sonoran Desert of North America. Our data demonstrate that (i) Gila monster hatchlings from eggs oviposited in July do not emerge from their nests until late spring or summer of the following year, yet (ii) Gila monster eggs artificially incubated at field-relevant temperatures hatch in 4-5 months. Futhermore, we describe a fortuitous excavation of a hatching Gila monster nest in late October, which coincides with the artificial incubation results. Together, these results provide strong support for the existence of overwintering in the nest by a lizard, and suggest that this reproductive strategy should be explored in a broader array of taxa.


英文关键词development diapause reproduction hatching overwintering reptile
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000433506100023
WOS关键词EYED TREEFROG EGGS ; EMERGENCE ; TURTLES ; TEMPERATURE ; PATTERNS ; ECOLOGY ; LIFE ; DESICCATION ; PREDATION ; REPTILES
WOS类目Biology ; Ecology ; Evolutionary Biology
WOS研究方向Life Sciences & Biomedicine - Other Topics ; Environmental Sciences & Ecology ; Evolutionary Biology
来源机构Arizona State University
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/212393
作者单位1.Arizona State Univ, Sch Life Sci, Tempe, AZ 85281 USA;
2.Natl Opt Astron Observ, Tucson, AZ 85726 USA
推荐引用方式
GB/T 7714
DeNardo, Dale F.,Moeller, Karla T.,Seward, Mark,et al. Evidence for atypical nest overwintering by hatchling lizards, Heloderma suspectum[J]. Arizona State University,2018,285(1879).
APA DeNardo, Dale F.,Moeller, Karla T.,Seward, Mark,&Repp, Roger.(2018).Evidence for atypical nest overwintering by hatchling lizards, Heloderma suspectum.PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES,285(1879).
MLA DeNardo, Dale F.,et al."Evidence for atypical nest overwintering by hatchling lizards, Heloderma suspectum".PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES 285.1879(2018).
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