A small Steatoda spider used its own version of a pulleylike system, adding repeated silk threads to haul heavy loads, in this case, a lizard, upward bit by bit.
Emanuele Olivetti
A small Steatoda spider used its own version of a pulleylike system, adding repeated silk threads to haul heavy loads, in this case, a lizard, upward bit by bit.
Emanuele Olivetti