Original sentence: Cockatoos are capable of living up to 30-70 years depending upon species (around 20 years for the smaller Cockatiels) and as such they require a long term commitment from their owners.They can be expensive pets, with a cost which typically ranges from $500-$2000 for the more commonly available species
Edited sentence: Cockatoos are capable of living up to 30–70 years depending upon species (around 20 years for the smaller Cockatiels) and as such they require a long term commitment from their owners.They can be expensive pets, with a cost which typically ranges from $500–$2000 for the more commonly available species