The dogs run 480m round an oval and when they reach the daytime brilliance of the finishing
line trap 1 always loses.
* Grate-in-housing and liquid
line trap magnets each have three sizes available while sight glass magnets offer four different sizes.
In particular, if you walk round town on any Sunday you'll see motorists regularly falling for the single yellow
line trap. These lines are often quite short in length and in between normal parking bays.
Columns indicate the number of captures based on the different survey methods (FLT = drift fence
line traps; CB = coverboard; WT = walking transect; ND = night driving; INC = incidental sighting).
The flight
line traps, for example, yield at least a few snakes each day, and some of Guam's trees are fitted with metal cowlings that prevent the snakes from slithering to the high branches for a baby Mariana crow or egg snack.
Since the station traps were out for two nights only, whereas the
line traps were out for four nights, station traps were put out 1 d after the
line traps were activated, and were collected 1 d earlier.