Absolutely delightful to watch, but unfortunately linked to seabird declines on the Azores:
Pitta Groz, M., Pereira, J.C. & Silva, A.G. 2002. Invasive alien species as the main threat to Azores seabird populations. In: Proceedings of Workshop on invasive alien species on European islands and evolutionary isolated ecosystems. Horta, Azores, Portugal. 10 October 2002. Convention on the Conservation of European Wildlife and Natural Habitats.
Saw this yarrow with an interesting pinkish hue to the flowers
This one is called Big Sky. Not your typical purple!