What is the fine-grained topic of the following text: Normally in July and early August, even the most avid birdwatchers sometimes turn to butterflies, dragonflies, bugs and even flowers to keep themselves occupied at the end of summer while they wait for autumn migration to start, this is especially evident on the local Whatsapp grape vine with reports of all sorts of things outnumbering posts about birds. Only return the topic.
Birdwatchers observing other forms of nature during late summer.