The American Avocet is one of those wading birds you hear before you see — long-legged, calling across a shallow alkaline lake at dusk, the high contact peeps carrying across water that's somehow flatter than land. These 4 recordings capture that specific shorebird vocabulary: single-bird contact calls, paired peeps when adults coordinate over a nest, the slightly more urgent alarm-call when something approaches, and the wading splash of long legs through inches of brackish water.
Wildlife documentary work pulls these for any wetland or salt-flat sequence — the species reads instantly as North American west to anyone familiar with the soundscape. Nature-relaxation videos use the contact-call material under sunset visuals because the calls are pitched gently and don't intrude on voice-over. Birding apps and educational pieces lean on the cleaner single-source takes for species ID. Free to grab for nature, education and documentary work, no attribution required.