# It's 10AM on the first Tuesday of the month.  Are your wolves howling?

**URL:** <https://boards.straightdope.com/t/its-10am-on-the-first-tuesday-of-the-month-are-your-wolves-howling/831925>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [April 2, 2019, 3:22pm UTC](https://boards.straightdope.com/t/its-10am-on-the-first-tuesday-of-the-month-are-your-wolves-howling/831925 "2019-04-02T15:22:27Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![dropzone](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/dropzone/32/7515_2.png) [@dropzone](https://boards.straightdope.com/u/dropzone)\
**Post date:** [April 2, 2019, 3:22pm UTC](https://boards.straightdope.com/t/its-10am-on-the-first-tuesday-of-the-month-are-your-wolves-howling/831925/1 "2019-04-02T15:22:27Z")

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In the US municipalities often test the civil defense system by running the air raid/tornado sirens at 10AM on the first Tuesday of the month. The red wolves at Chicago’s Lincoln Park Zoo love to howl along in a wolf party. Do yours?

[![](https://img.youtube.com/vi/xLVUeINV0-M/hqdefault.jpg "Wolves Sing Along With Air Raid Siren") ](https://www.youtube.com/watch?v=xLVUeINV0-M)