Clutch size and reproductive effort in the lizard Lacerta vivipara Jacquin.

The ratio clutch weight: body weight in Lacerta vivipara is 0.4; larger lizards produce more eggs, and total clutch weight is isometric with body weight. The clutch represents between 7% and 9% of the estimated annual assimilation of a female lizard, and 23-24% of the assimilation during the period between emergence from hibernation and the establishment of the eggs in the oviducts.