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Citation bot (talk | contribs) Add: bibcode, pmid. Removed proxy/dead URL that duplicated identifier. Removed access-date with no URL. | Use this bot. Report bugs. | Suggested by Abductive | Category:Penguins | #UCB_Category 5/33 |
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Chinstrap penguins are generally considered to be the most aggressive and ill-tempered species of penguin.<ref name="newzealand">{{cite web |last1=Ellenbroek |first1=B. |title=Chinstrap penguin |url=http://nzbirdsonline.org.nz/species/chinstrap-penguin#bird-photos |website=New Zealand Birds Online |access-date=18 February 2019}}</ref>
Chinstrap penguins microsleep over 10,000 times a day and accomplish this in 4 second bouts of sleep. The sleep can be both bihemispheric and unihemispheric [[slow-wave sleep]]. The penguins accumulate over 11 hours of sleep for each hemisphere daily.<ref name="chinstrap sleep">{{cite journal |last1=Libourel |first1=P.-A. |last2=Lee |first2=W. Y. |last3=Achin |first3=I. |last4=Chung |first4=H. |last5=Kim |first5=J. |last6=Massot |first6=B. |last7=Rattenborg |first7=N. C. |title=Nesting chinstrap penguins accrue large quantities of sleep through seconds-long microsleeps |journal=Science |date=December 2023 |volume=382 |issue=6674 |pages=1026–1031 |doi=10.1126/science.adh0771 |
=== Roy and Silo ===
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