<script async crossorigin="anonymous" src="https://embed.spaces.ca/js/embed.min.js"></script><div class="spaces-embed" data-url="https://embed.spaces.ca/cambridge/birding/this-male-northern-cardinal-was-singing-and-singing-another-cardinal-on-a-nearby-block-answered-one-would-sing-a-song-and-then-the-other-would-sing-18297"></div>