oviparous animal
A biological term for animals that reproduce by laying eggs. Used in scientific or educational contexts.
Birds are a representative group of oviparous animals.
胎生動物 refers to viviparous animals (those that give birth to live young), contrasting with 卵生動物.
卵胎生動物 are ovoviviparous animals, where eggs hatch inside the body, an intermediate reproductive strategy.
Compound of 卵生 (らんせい, 'oviparity') and 動物 (どうぶつ, 'animal'). The term is a straightforward Sino-Japanese technical coinage.