It is tragic, but apparently Killer whales and Dolphins can commit suicide too (e.g. here)... This suggests they can become depressed. I wondered whether they were "clinically" depressed like many ...
I'm looking for very old (centuries) treaty or recent (20 & 21th century) research that state what some of the laws of Nature are, particularly concerning wild animals' behaviour. Such as; every ...
Are there insects that change their behavior upon detecting the nearby presence of other dead insects? If there are, can you provide an example?
Animals spend a good portion of every day doing nothing, and it seems like that time could be better spent hunting, searching for mates, etc. Also, animals are not aware during sleep, so it would be ...