Vega Gull: pale upperside, clear contrast between black primaries and pale grey upperwing, dirty head (may be almost hooded, with very heavy, wide, blob-shaped brownish marks), more rounded wing, some have bright raspberry-pink legs.

• 织女银鸥:淡色上翼面；黑色初级飞羽和淡灰上翼面间明显的对比；污色的头部(可能几乎罩住头顶；非常深；宽；点状的棕色斑点)；比较圆弧的翅膀；有些有明亮的覆盆子般粉红的脚.