beak bird eye flightless head high large ostrich Struthio flight Saddle-billed span stork wings yellow eye-lash hornbill yellow-billed annual bloom bright cluster composite flower flora florets flower helianthus annuus inflorescence kernels large head pattern petals popular seeds spiral spiralling florets sunflower widespread bee composite-flower helianthus-annuus insect large-head spiraling-florets big color colour daisies daisy garden grow natural nature petal plant summer appearance bud dwarf-sunflower flowers green Helianthus light plants radiant spiralling-florets sunflowers sunlight sunny sunshine unopened black budding distinct distinctive furry