animals have delivered mail
...that animals have delivered mail throughout history, with different postal services using pigeons, reindeer and even cats?
...that <b id="mwCjQ"><a href="./Mail_delivery_by_animal" id="mwCjU" rel="mw:WikiLink" title="Mail delivery by animal">animals have delivered mail</a></b> throughout history, with different <a href="./Mail" id="mwCjY" rel="mw:WikiLink" title="Mail">postal services</a> using <a class="mw-redirect" href="./Dove" id="mwCjc" rel="mw:WikiLink" title="Dove">pigeons</a>, <a href="./Reindeer" id="mwCjg" rel="mw:WikiLink" title="Reindeer">reindeer</a> and even <a href="./Cat" id="mwCjk" rel="mw:WikiLink" title="Cat">cats</a>?