1 Changing times, changing ways 
The concept of the soul
Communication with animals
An obsession with hierarchy
The concept of animism
Darwin’s impact 
Testing self-awareness
Problem areas
Catholicism recognises an animal soul
Body chemistry
Reactions to grief
Rituals
Expressions of grief differ
2 Why get emotional?
Different judgements
A degree of control
Biological parameters and grief
Parental bonding, aggression, and emotion
Grieving studies
Do animals go through stages of grief?
New thinking
Is it possible to detect grief?
3 Wild observations
Expressions of anger and grief?
Other encounters
Misplaced affection
Memories and grief
Elephant graveyards 
A physiological explanation
Ongoing studies 
Mourning the dead
Crying
Something missed?
Close quarters
Talking about loss
Avian conundrums
Grieving corvids
Watchful parrots
4 Companion animals
Loyalty in death
Different interpretations
Another similar instanc
Grief-struck
Loyalty after death
Staying put
Canine grieving
 Feline perspectives
Bird talk
Missing you
Radical thoughts
Difficulties in this field of study
In conclusion