Trees with monkeys
A monkey will appear on this tree for a short time.
Tap it before the red timer runs out and you will get extra Resources.
Racoon and balloons
Tap the balloons to pop them!
Once you pop alll the balloons, the Rescuers will be able to pick up the racoon.
Pandas are lazy and you will have to encourage them several times so that they move to the transport.
Rubbles with red timer
Set the task before the timer runs out. If the timer expires the task will require more resources.
Bring him food and he will give you spare tools from the construction site.