{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T02:51:45Z","timestamp":1780455105551,"version":"3.54.1"},"reference-count":18,"publisher":"American Association for the Advancement of Science (AAAS)","issue":"4227","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Science"],"published-print":{"date-parts":[[1976,2,13]]},"abstract":"<jats:p>Juvenile American alligators in outdoor pens moved out of and into the water at sunrise and sunset, respectively. When the natural light cycle was extended with artificial illumination, these movements gradually shifted into phase with the altered light cycles; therefore, the amphibious behavior was modulated by a circadian rhythm cued by light. Movement between land and water was characterized by a decrease in body temperature, which suggests that it was not simply a proximate heat-seeking response. After the movements had been in phase with the altered light cycles for a time, they spontaneously shifted back into phase with the natural light cycle. A changing response to light is viewed as an adaptation to seasonal changes in heat availability.<\/jats:p>","DOI":"10.1126\/science.1251194","type":"journal-article","created":{"date-parts":[[2006,10,5]],"date-time":"2006-10-05T15:51:28Z","timestamp":1160063488000},"page":"575-577","source":"Crossref","is-referenced-by-count":33,"title":["Amphibious Behavior of\n            <i>Alligator mississippiensis<\/i>\n            : Roles of a Circadian Rhythm and Light"],"prefix":"10.1126","volume":"191","author":[{"given":"Jeffrey W.","family":"Lang","sequence":"first","affiliation":[{"name":"Department of Ecology and Behavioral Biology, Bell Museum of Natural History, University of Minnesota, Minneapolis 55455"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"221","reference":[{"key":"e_1_2_1_1_1","first-page":"107","volume":"4","year":"1969","unstructured":"BRIT J HERPETOL 4: 107 (1969).","journal-title":"BRIT J HERPETOL"},{"key":"e_1_2_1_2_1","first-page":"95","year":"1965","unstructured":"ASCHOFF, J, CIRCADIAN CLOCKS: 95 (1965).","journal-title":"CIRCADIAN CLOCKS"},{"key":"e_1_2_1_3_1","unstructured":"BUNNING E PHYSIOLOGICAL CLOCK (1973)."},{"key":"e_1_2_1_4_1","doi-asserted-by":"crossref","first-page":"98","DOI":"10.1016\/0003-3472(64)90109-5","volume":"12","year":"1964","unstructured":"CLOUDSLEYTHOMSO.JL, DIURNAL RHYTHM OF ACTIVITY IN NILE CROCODILE, ANIMAL BEHAVIOUR 12: 98 (1964).","journal-title":"ANIMAL BEHAVIOUR"},{"key":"e_1_2_1_5_1","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1111\/j.1096-3642.1961.tb00220.x","volume":"29","year":"1961","unstructured":"COTT, H.B., T ZOOL SOC LONDON 29: 211 (1961).","journal-title":"T ZOOL SOC LONDON"},{"key":"e_1_2_1_6_1","first-page":"2","volume":"78","year":"1975","unstructured":"GARRICK, L.D., ANIMAL KINGDOM 78: 2 (1975).","journal-title":"ANIMAL KINGDOM"},{"key":"e_1_2_1_7_1","unstructured":"GOODMAN D.E. 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