ortolan bunting emberiza hortulana perched on a hawthorn branch

agriculture animals aves background beautiful biology bird birdwatching black blue branch brown bunting close closeup color colors conservation country cute defend drab emberiza emberizidae endangered environmental escribano europe european farm field greece green grey head hills hortulana little male migrant montesino mountain natural nature negras open orange ornithology ortolan outdoors passeriformes passerine photo portrait protection rare reservation rock rust side sing single sitting small song spain spring stone summer teritory tone travel watching wild wildlife wood yellow zoology