The team constructed three types of canopy bridges — single rope, horizontal ladder, and a hybrid bridge — to cater to different species. The single ropes better suit more agile species ...

Their system involved giving the ants access to a horizontal rod ... providing a reward for building a bridge between the rod and platform. Although the ladders are several ants wide, the ...

The bridge spans the 40-foot-wide road with ... creating a structure resembling a horizontal ladder spanning the roadway. Dusky langurs are now seen using the modified crossing more frequently ...

Using a massive barge-mounted crane—now nicknamed "I Lift NY" but formerly known as the "Left Coast Lifter," when it was on San Francisco's Bay Bridge ... placed the first horizontal steel ...