Who first spotted a walckvogel in1598?

The walckvogel, more commonly known as the "walckenaer" or "walckenaeria," was first described in 1598 by the Dutch naturalist and botanist, Jan Jonston. His observations contributed to the early understanding of this group of organisms. However, the term "walckvogel" typically refers to a type of bird in specific contexts, so it's essential to clarify the exact species or context you are inquiring about.