The bee humming bird lays the smallest egg at half a gram, and the ostrich lays the biggest at 3.3lbs.
The animal that lays the smallest eggs are insects but when referring to vertebrates the animal that lays the smallest egg is the hummingbird.
Lizards have the smallest eggs
Lizard
snake is lays eggs in a nest build on trees
the humming bird its egg is the size of a jelly bean
oviparous means hatched from an egg so asparrow being a bird that lays eggs that hatch make it oviparous.
an Ekidna is a animal that lives in Australia it is a mammal that lays egg I'm not sure what its called it has a special name look it up somewhere else
oviparous: lay eggs, the 'ovi' part means egg
humming bird
Frog
humming bird
ostrich in general but compared to body size kiwi lays the largest egg. octopus is the largest sea animal that lays the largest egg.
fish
A snake
a blue jay
Well I know that a 'Bee Hummingbird' lays eggs smaller than a coffee bean (she lays them two at a time) But I don't know if it is the smallest, yet it seems extremly small to me!
Froggies :d
The ruby throated hummingbird
the name of the animal that lays eggs is called a oviparous
the ostritch lays the biggest eggs today, but if dinosaurs were still alive they would lay the bigest eggs.