Complex sentence: Whenever he tried to involve himself in the activities of his peers (also anthropomorphic ducklings) he would often inadvertently cause more problems, and as a result they would drive him away through trickery (and into tears).
Split into simpler sentences: Whenever he tried to involve himself in the activities of his peers, themselves anthropomorphic ducklings, he often wrecked their efforts. As a result, they would drive him away through trickery (and into tears).