What special markings or colorings do bottle nose dolphins have?

Bottlenose dolphins don't have any special markings or colorings in the traditional sense. They're typically a uniform gray color, with some individual variation in shade. However, there are a few interesting aspects to their appearance that might be considered markings:

* "Hourglass" pattern: Some bottlenose dolphins have a slightly darker gray area around their eyes and flippers, forming a faint hourglass shape.

* Fading with age: As bottlenose dolphins age, their color can fade to a more grayish-white, particularly on their bellies.

* Scars: Like any animal, bottlenose dolphins can have scars from fights, encounters with predators, or entanglement with fishing gear. These scars can be noticeable and contribute to their individual appearance.

* Albinism: Although rare, bottlenose dolphins can be born with albinism, meaning they lack pigmentation and have white skin and eyes.

It's important to remember that while there are some minor variations in coloration, bottlenose dolphins generally have a distinctive and recognizable appearance due to their smooth, streamlined body shape, long beak, and dorsal fin.