Explaining All Animals on Instagram: "Follow @explaining.animals to learn everything about animals one post at a time 🧠🔥 Male and female ducks make noticeably different sounds, and the contrast is one of the easiest ways to tell them apart. Female ducks are the ones that make the loud, familiar “quack” sound, especially mallard females, which use sharp, repeated quacks to communicate with their young, call their mates, or signal alarm. Their voices are stronger, clearer, and much more vocal ov

Nested IF function example