this is spangles, a half-sider budgie. half-siders result when two fertilized eggs merge in development, leaving a bird with a body composed of two fraternal twins.
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Tag: half sider
this lovebird is known as a ‘half-sider’ or tetragametic chimera. half-siders result when two fertilized eggs merge early in development, leaving each half of the body genetically seperate.
this bird is a ‘half-sider’ indian ringneck parakeet. half-siders cannot be intentionally bred; they are the result of two fertilized eggs merging early in development.
source: (x)
this is twinzy, a ‘half-sider’ budgie. twinzy is the result of two fertilized eggs merging during development.
source: (x)
today's bird 