What did a boa constrictor killed in Swiss family?

In the classic novel "Swiss Family Robinson" by Johann David Wyss, a boa constrictor is depicted as a threat to the family living on a deserted island. The snake attacks and kills their livestock, specifically a goat, which poses a challenge for the family as they strive to survive in their new environment. This encounter highlights the dangers they face in the wilderness and the need for resourcefulness and teamwork to overcome such threats.