Przykłady burrow

• Two burrows were randomly selected for the addition of water to the sand.

• All burrows were checked for puparia at two-weekly intervals.

• The present study shows that burrows also serve as larval deposition sites, but only for a few months each year.

• Here the soil was black and crumbly, so damp that worms burrowed it all year round.

• Following entry into the liver, the fluke burrows through the liver parenchyma before reaching its final site in the bile duct.

• Squirrels were captured, by chasing them from their burrows.

• Small islands were completely censused for armadillo burrows.

• Crab burrows within grassland sites were exposed to direct effects of sunlight.

• However, the eventual aim is to build a self-contained robot system that burrows through the ground to locate chemical sources.

• Fencing material was buried at least 15 cm into the soil to deter crabs burrowing beneath.

• I define this transition region by the perpendicular gradient of crab burrows that ranges from 0 to 1 m-2.

• Active burrows, defined by freshly excavated soil surrounding open entrances, were also counted.

• Densities range widely from an average of 0.7 to over 6 burrows m-2.

• They are bare sand or rocky areas that provide little shelter from the strong sun other than burrowing underground.

• Collection involved scooping out loose soil from the burrows and sieving it as described above.