@article{
 title = {Reproductive ecology of the spectacled caiman (Caiman crocodilus) in the Venezuelan llanos},
 type = {article},
 year = {1994},
 keywords = {Caiman crocodi,Reptilia,sauria,spectacled caiman},
 pages = {907-919},
 volume = {19},
 id = {09ea93e9-ade3-3a2a-9638-83a1a295d607},
 created = {2014-11-12T15:37:45.000Z},
 file_attached = {false},
 profile_id = {e77fd8b5-61ed-3cb6-9a8d-ead8c87a9123},
 group_id = {886a50df-fbf3-30e6-9d6b-6771e376eacf},
 last_modified = {2015-08-21T02:37:41.000Z},
 tags = {Caiman crocodilus},
 read = {false},
 starred = {false},
 authored = {false},
 confirmed = {true},
 hidden = {false},
 abstract = {In the Venezuelan Ilanos, the reproductive cycle of the spectacled caiman (Caiman crocodilus) was constrained temporally by seasonal variation in water availability. Gonadal recrudescence in males and females began during the late dry season (April-May). Testicle mass peaks in May and June (early wet season), just prior to courtship. Peak spermatozoa levels were from June through Aug. Among vitellogenic females, ovarian mass and follicle size increased throughout the early wet season and peaked at the beginning of the nesting season July-Aug.). Caiman were sexually size dimorphic with adult males ((x) over bar = 96.0 cm SVL, maximum 145.5 cm SVL) approximately 30-40% larger than females ((x) over bar = 72.0 cm SVL, maximum 99.0 cm SVL). Males were physiologically mature at 75 cm SVL (approximately 7 yr), but small mature males may not reproduce because of social factors. Females matured at minimum size of 60 cm SVL, but the mean size at first reproduction was 64 cm SVL (approximately 7 yr). Mean clutch size was 22.2 (+/- 5.8), and mean clutch mass was 1392 g (+/- 426 g). Clutch size and clutch mass, but not egg mass, were positively correlated with female SVL. An average of 54.3% of females > 60 cm SVL nested annually, but the reproductive frequency was size dependent. Female reproductive output increased both in absolute and relative terms as females grew. No evidence of a trade- off between egg size and clutch size was found.},
 bibtype = {article},
 author = {Thorbjarnarson, J B},
 journal = {COPEIA}
}

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Gonadal recrudescence in males and females began during the late dry season (April-May). Testicle mass peaks in May and June (early wet season), just prior to courtship. Peak spermatozoa levels were from June through Aug. Among vitellogenic females, ovarian mass and follicle size increased throughout the early wet season and peaked at the beginning of the nesting season July-Aug.). Caiman were sexually size dimorphic with adult males ((x) over bar = 96.0 cm SVL, maximum 145.5 cm SVL) approximately 30-40% larger than females ((x) over bar = 72.0 cm SVL, maximum 99.0 cm SVL). Males were physiologically mature at 75 cm SVL (approximately 7 yr), but small mature males may not reproduce because of social factors. Females matured at minimum size of 60 cm SVL, but the mean size at first reproduction was 64 cm SVL (approximately 7 yr). Mean clutch size was 22.2 (+/- 5.8), and mean clutch mass was 1392 g (+/- 426 g). Clutch size and clutch mass, but not egg mass, were positively correlated with female SVL. An average of 54.3% of females > 60 cm SVL nested annually, but the reproductive frequency was size dependent. Female reproductive output increased both in absolute and relative terms as females grew. No evidence of a trade- off between egg size and clutch size was found.","bibtype":"article","author":"Thorbjarnarson, J B","journal":"COPEIA","bibtex":"@article{\n title = {Reproductive ecology of the spectacled caiman (Caiman crocodilus) in the Venezuelan llanos},\n type = {article},\n year = {1994},\n keywords = {Caiman crocodi,Reptilia,sauria,spectacled caiman},\n pages = {907-919},\n volume = {19},\n id = {09ea93e9-ade3-3a2a-9638-83a1a295d607},\n created = {2014-11-12T15:37:45.000Z},\n file_attached = {false},\n profile_id = {e77fd8b5-61ed-3cb6-9a8d-ead8c87a9123},\n group_id = {886a50df-fbf3-30e6-9d6b-6771e376eacf},\n last_modified = {2015-08-21T02:37:41.000Z},\n tags = {Caiman crocodilus},\n read = {false},\n starred = {false},\n authored = {false},\n confirmed = {true},\n hidden = {false},\n abstract = {In the Venezuelan Ilanos, the reproductive cycle of the spectacled caiman (Caiman crocodilus) was constrained temporally by seasonal variation in water availability. Gonadal recrudescence in males and females began during the late dry season (April-May). Testicle mass peaks in May and June (early wet season), just prior to courtship. Peak spermatozoa levels were from June through Aug. Among vitellogenic females, ovarian mass and follicle size increased throughout the early wet season and peaked at the beginning of the nesting season July-Aug.). Caiman were sexually size dimorphic with adult males ((x) over bar = 96.0 cm SVL, maximum 145.5 cm SVL) approximately 30-40% larger than females ((x) over bar = 72.0 cm SVL, maximum 99.0 cm SVL). Males were physiologically mature at 75 cm SVL (approximately 7 yr), but small mature males may not reproduce because of social factors. Females matured at minimum size of 60 cm SVL, but the mean size at first reproduction was 64 cm SVL (approximately 7 yr). Mean clutch size was 22.2 (+/- 5.8), and mean clutch mass was 1392 g (+/- 426 g). Clutch size and clutch mass, but not egg mass, were positively correlated with female SVL. An average of 54.3% of females > 60 cm SVL nested annually, but the reproductive frequency was size dependent. Female reproductive output increased both in absolute and relative terms as females grew. No evidence of a trade- off between egg size and clutch size was found.},\n bibtype = {article},\n author = {Thorbjarnarson, J B},\n journal = {COPEIA}\n}","author_short":["Thorbjarnarson, J., B."],"bibbaseid":"thorbjarnarson-reproductiveecologyofthespectacledcaimancaimancrocodilusinthevenezuelanllanos-1994","role":"author","urls":{},"keyword":["Caiman crocodi","Reptilia","sauria","spectacled caiman"],"downloads":0},"search_terms":["reproductive","ecology","spectacled","caiman","caiman","crocodilus","venezuelan","llanos","thorbjarnarson"],"keywords":["caiman crocodi","reptilia","sauria","spectacled caiman"],"authorIDs":[]}