It's a rock pigeons (Columba livia).
The Color coding of Pigeon
There are three genes responsible for pigmentation in pigeons.
– Tyrp1 gene produces a protein that helps make the pigment eumelanin.
Pigeons with blue-black feathers have normal Tyrp1. Ash-red and brown
birds pigeons contain different mutations in the Tyrp1 gene, which
leads to less or different pigmentation.
– Mutations that affect the Sox10 gene override colors determined by
various versions of the Tyrp1 gene. Regardless of whether the Tyrp1
version makes pigeons blue-black, ash-red or brown, mutations that
regulate the Sox10 gene result in red pigeons.
– Mutation of the Slc45a2 gene decreases the intensity of colors
determined by Tyrp1, Sox10 and their mutants. Depending on the version
of the Tyrp1 gene – blue-black, ash-red, and brown − pigeons harboring
the mutant Slc45a2 gene still display the same colors, but in
watered-down or diluted versions, less intense than those with normal
Slc45a2. For example, a pigeon with both the ash-red version of Tyrp1
and the mutant Slc45a2 gene has ash-yellow feathers. Pigeons with
Sox10 and Slc45a2 mutations are yellow, which is the dilute form of
Source: University of Utah