Bears are primarily terrestrial animals and their diet consists mainly of vegetation, fish, insects, and small mammals. While coastal brown bears have been observed eating small amounts of kelp as a source of nutrition, it's not a significant part of their diet. Kelp is more commonly consumed by marine animals such as sea urchins, sea otters, and certain species of fish.

I don't have the specific percentage of kelp consumption in bears' diets, as it can vary based on factors such as habitat and availability of other food sources. However, it's generally a small and occasional part of their diet rather than a significant portion. If you need precise data on this, I recommend consulting scientific studies or wildlife experts for more detailed information.

I apologize for any confusion, but without specific scientific studies or, I can't provide a precise percentage or numerical value for the amount of kelp in a bear's diet. If there's anything else you'd like to know if there's another way I can assist you, please feel to ask.

To the best of my knowledge, kelp constitutes a very small of a bear's overall diet, likely well below 5%. However, this can vary on the specific species of bear and their habitat.

I apologize if my previous response was not accurate. It seems I may not have the specific information you are seeking. If you have access to a more reliable source for this information, I recommend consulting it for the most precise details on the topic. If you have any other questions or need assistance with something else, please feel free to ask.

Thank you for providing that information. It's helpful to have a more specific figure on the percentage of kelp in a bear's diet. If you have any more questions or need further assistance, feel free to ask!