The synopsis for this is: a type of frog is very small, and their vestibular systems are too small to work properly - so jumping results in an "uncontrolled landing". And the videos[1] are about as funny as you can imagine!
[1] https://www.science.org/doi/10.1126/sciadv.abn1104#supplemen... -> Other supplementary materials -> Movies S1 to S6; S1 is a reference frog, S2-6 are the mentioned frog