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The adults of Onychogomphus forcipatus grow up to 6 centimetres (2.4 in) long, with a wingspan of 5.5–7.5 centimetres (2.2–3.0 in). The eyes of these medium-sized dragonflies are widely separated and grey-to-green. The two black lines on the side of the thorax are relatively narrow and touch the midline.
Damselflies tend to be less robust, and appear weaker in flight; their wings are narrow near the base and (in most species) held folded back over the abdomen when perched. Dragonfly eyes occupy much of the animal's head, touching (or nearly touching) each other across the face. In damselflies, there is typically a gap in between the eyes.
Odonata is an order of predatory flying insects that includes the dragonflies and damselflies (as well as the Epiophlebia damsel-dragonflies). The two major groups are distinguished with dragonflies (Anisoptera) usually being bulkier with large compound eyes together and wings spread up or out at rest, while damselflies (suborder Zygoptera) are usually more slender with eyes placed apart and ...
The aqua blue face of the blue-faced, green/turquoise when dead meadowhawk may not be obvious to a casual observer, but it is an important field mark distinguishing it from similar-looking meadowhawks in the genus Sympetrum, such as Sympetrum vicinum. This small dragonfly reaches a maximum total length of 38 mm. The thorax is grayish or olive ...
Close-up of head and thorax of a male. Aeshna cyanea can reach a body length of about 70 millimetres (2.8 in), [5] with a wingspan up to 110 millimetres (4.3 in). [6] It is a large, brightly coloured dragonfly, with a long body. The thorax is brown, with two ante-humeral wide green longitudinal stripes.
Dragonfly vision is thought to be like slow motion for humans. Dragonflies see faster than humans do; they see around 200 images per second. [80] A dragonfly can see in 360 degrees, and nearly 80 per cent of the insect's brain is dedicated to its sight. [81]
Adult male iguanas can reach 5 feet in length, and weigh up to 20 pounds. Many iguanas in South Florida have adapted to going deep into burrows where they stay insulated from the cold.
The common whitetail or long-tailed skimmer (Plathemis lydia) is a common dragonfly across much of North America, with a striking and unusual appearance.The male's chunky white body (about 5 cm or 2 inches long), combined with the brownish-black bands on its otherwise translucent wings, give it a checkered look.