Tarantula's ubiquity traced back to the cretaceous

(Carnegie Mellon University) Tarantulas are among the most notorious spiders, due in part to their size, vibrant colors and prevalence throughout the world. But one thing most people don't know is that tarantulas are homebodies. Females and their young rarely leave their burrows and only mature males will wander to seek out a mate. How then did such a sedentary spider come to inhabit six out of seven continents?
Source: EurekAlert! - Biology - Category: Biology Source Type: news
More News: Biology