A rattlesnake can sense infrared light, can it see at night? Why?

Yes, objects of different temperatures have different colors under infrared display, red at high temperature, blue at low temperature.

Yes (sensitive to moving things).Because everything is constantly emitting infrared rays.

Yes. It relies on this (infrared sensing organ) to find food, and it can also be ignored at night, because the device on its body is very sensitive to heat (using infrared sensing heat sources).

Yes. Theoretically, objects with temperatures above Celsius emit infrared light, and rattlesnakes can "see" as long as they have infrared rays.

The rattlesnake's head has special organs that can use infrared light to sense nearby heat-generating animals. The biting ability of rattlesnakes after death comes from the reflection of these infrared sensing organs; Even if the rattlesnake's other bodily functions have stopped, as long as the sensory organs and tissues of the head have not decayed, the rattlesnake can still detect heat-emitting organisms within a 15 cm radius after death, and automatically respond to the attack. Scientists have invented many peripheral goods based on this principle, which are widely used in the military.

There should also be a human being who can't see things at night, and the rattlesnake can distinguish things without any obstacles with its infrared organs!

It turns out that between the rattlesnake's eyes and nostrils, there is an "infrared locator", which is a labial fossa separated by a membrane filled with nerve endings. The outer chamber is like a funnel, with a large mouth facing the outside world, as if the radar antenna was facing the target; The inner chamber has a thin tube leading to the upper part of the snake's head, and the exit direction of the thin tube happens to be opposite to the outer chamber. In this way, the temperature felt at the exit of the inner and outer rooms is different.

The outlet of the inner chamber tube senses the temperature of the air around the snake, and the funnel-shaped opening of the outer chamber senses the temperature in a particular direction. If there happens to be a target in this direction (e.g., a mouse), the temperature felt at the outletout of the outer chamber is higher than the temperature at the outlet of the inner chamber, resulting in a temperature difference between the inner and outer walls of the film. Because of the abundance of nerve endings on the membrane, snakes react.

The rattlesnake has one such "infrared locator" on both sides of its head, so it is able to measure the direction and distance of the target. The Rattlesnake's infrared locator senses temperature to the point where it can change to one thousandth of a degree Celsius.