Overland movement in African clawed frogs (Xenopus laevis): a systematic review.

There was a clear trend over time for observations to move from anecdotes to distributional or mark-recapture data (four triangles and four stars, respectively), with interest in the topic clearly increasing as 60% of publications were published in the last 20 years (1995–2015) of the 102-year period.

also in 19,460 other papers