<!--amp-source-stack {"hook":"the_excerpt","filter":true,"post_id":5342369,"post_type":"attachment","sources":[{"type":"core","name":"wp-includes","file":"formatting.php","line":51,"function":"wptexturize"},{"type":"core","name":"wp-includes","file":"formatting.php","line":3352,"function":"convert_smilies"},{"type":"core","name":"wp-includes","file":"formatting.php","line":2377,"function":"convert_chars"},{"type":"core","name":"wp-includes","file":"formatting.php","line":455,"function":"wpautop"},{"type":"core","name":"wp-includes","file":"formatting.php","line":838,"function":"shortcode_unautop"}]}--><p>Vets at the Smithsonian’s National Zoo detected a potential bundle of joy for the zoo’s seasoned giant panda parents — but they’re also emphasizing that we may need to temper our expectations.</p>
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