animal bird blue blue tit branch fly leaves nature tit tree wing wings airplane classic engine flying fusselage Nyberg passenger sky antenna butterfly Celastrina England holly blue insect Insecta leaf Lepidoptera little rhopalocera small summer Sussex tiny vein venation at rest blue body brown colors colours contrast dragonfly flight large eyes resting rock transparency transparent transparent wings english Great Britain Lycaenidae rest blue sky flying bird freedom open space open wings seagull eu gull porto Portugal sculpture stone woman birds flutter spread under underneath underside beak close sea skies white wind black black headed copyspace glide headed soar