what color is a sparrow egg
House sparrow clutches usually 5 to 10 eggs in a clutch and eggâs color may white, bluish-white, grey, greenish-white, brown and light pink. Average size of the egg is 20 mm in length, 15 mm in width and 2.9 gram in weight.House sparrow eggs are in the shape of henâs eggs.ouse sparrow clutches usually 5 to 10 eggs in a clutch and eggâs color may white, bluish-white, grey, greenish-white, brown and light pink. Average size of the egg is 20 mm in length, 15 mm in width and 2.9 gram in weight.