The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.

Since this is not my area of expertise, I searched Google under the key words "heart rate life span" to get this:

http://www.google.com/search?client=safari&rls=en&q=heart+rate+life+span&ie=UTF-8&oe=UTF-8

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.

To predict the lifespan of a Ruby Throated Hummingbird based on its heart rate, we need to consider a few factors. While heart rate can give us some insight, it is not the sole determinant of lifespan.

To begin, we can try to find information on the average lifespan of Ruby Throated Hummingbirds. This can be researched through reliable sources such as scientific journals, ornithological studies, or reputable wildlife organizations.

Once we have obtained the average lifespan, we can analyze the relationship between heart rate and lifespan. While it is true that a higher resting heart rate could potentially indicate a shorter lifespan, it is not the only determining factor.

Environmental factors, food availability, predation risks, disease prevalence, and habitat quality all play crucial roles in the lifespan of any species, including hummingbirds. Additionally, genetic factors and individual variations can further influence lifespan.

By examining a range of factors and considering multiple sources of information, we can develop a more accurate prediction of a Ruby Throated Hummingbird's lifespan.

However, without specific information on the average lifespan of this species, it would be difficult to provide a precise answer. Therefore, I recommend consulting scientific literature or reaching out to experts who specialize in hummingbird biology for a more accurate estimate.