A trap for trapping animals, comprising: a plurality of posts configured to be secured in a ground surface, each post having a length that includes a first lengthwise portion configured for disposal within the ground surface and a second lengthwise portion configured for disposal above the ground surface; and a net structure attached to the plurality of posts, the net structure having a width that extends between an upper lateral edge and a lower lateral edge, and a first length that extends between a first lengthwise end and a second lengthwise end at the upper lateral edge, and a second length that extends between the first lengthwise end and the second lengthwise end at the lower lateral edge, wherein second length is less than the first length, the net structure including: a net formed from spaced apart orthogonal members defining openings between said members, the net extending from the upper lateral edge to the lower lateral edge, and extending from the first lengthwise end to the second lengthwise end; and an upper cord attached to the net at the upper lateral edge extending the first length of the net; wherein the net structure is configurable in a set configuration, and in the set configuration the net structure is closed defining an interior region of the trap, and defining a first circumference at the upper lateral edge and a second circumference at the lower lateral edge, and the first circumference is greater than the second circumference; and wherein in the set configuration the net structure has a wall portion and ground portion, and the ground portion is configured to reside on the ground surface; and the trap includes a plurality of anchoring devices, each configured for coupling the lower lateral edge of the net structure with the ground surface in a manner that allows the lower lateral edge to travel vertically up a distance great enough to allow an animal to pass under the net structure and into the interior region of the trap and to fall back to the ground surface after the animal has passed under the net structure and into the interior region of the trap, and to limit the travel of the lower lateral edge along the ground surface. a plurality of posts configured to be secured in a ground surface, each post having a length that includes a first lengthwise portion configured for disposal within the ground surface and a second lengthwise portion configured for disposal above the ground surface; and a net structure attached to the plurality of posts, the net structure having a width that extends between an upper lateral edge and a lower lateral edge, and a first length that extends between a first lengthwise end and a second lengthwise end at the upper lateral edge, and a second length that extends between the first lengthwise end and the second lengthwise end at the lower lateral edge, wherein second length is less than the first length, the net structure including: a net formed from spaced apart orthogonal members defining openings between said members, the net extending from the upper lateral edge to the lower lateral edge, and extending from the first lengthwise end to the second lengthwise end; and an upper cord attached to the net at the upper lateral edge extending the first length of the net; a net formed from spaced apart orthogonal members defining openings between said members, the net extending from the upper lateral edge to the lower lateral edge, and extending from the first lengthwise end to the second lengthwise end; and an upper cord attached to the net at the upper lateral edge extending the first length of the net; wherein the net structure is configurable in a set configuration, and in the set configuration the net structure is closed defining an interior region of the trap, and defining a first circumference at the upper lateral edge and a second circumference at the lower lateral edge, and the first circumference is greater than the second circumference; and wherein in the set configuration the net structure has a wall portion and ground portion, and the ground portion is configured to reside on the ground surface; and the trap includes a plurality of anchoring devices, each configured for coupling the lower lateral edge of the net structure with the ground surface in a manner that allows the lower lateral edge to travel vertically up a distance great enough to allow an animal to pass under the net structure and into the interior region of the trap and to fall back to the ground surface after the animal has passed under the net structure and into the interior region of the trap, and to limit the travel of the lower lateral edge along the ground surface.