bank swallow


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Noun1.Bank swallow - swallow of the northern hemisphere that nests in tunnels dug in clay or sand banksbank swallow - swallow of the northern hemisphere that nests in tunnels dug in clay or sand banks
martin - any of various swallows with squarish or slightly forked tail and long pointed wings; migrate around Martinmas
genus Riparia, Riparia - a genus of Hirundinidae
References in periodicals archive ?
Elsewhere, dogs accompanied by their owners happily ran leash-free along a vast expanse of beach at San Francisco's Fort Funston park--that is, until officials determined that one of California's two Bank Swallow coastal communities used 10 acres of the beach.
vicarius has "on occasion [been found] in considerable numbers in barn swallow and bank swallow (Riparia riparia) nests".
Bank swallow tunnels are roughly circular in cross-section, with diameters of ca.