Bois D Arc Energy (BDE) 10-K 2007 FY Annual report

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement No. 333-127744 on Form S-8 of Bois d’Arc Energy, Inc. of our reports dated February 28, 2008 with respect to the consolidated financial statements of Bois d’Arc Energy, Inc. and the effectiveness of internal control over financial reporting of Bois d’Arc Energy, Inc. included in this Annual Report (Form 10-K) for the year ended December 31, 2007.

/s/ ERNST & YOUNG LLP

Dallas, Texas
February 28, 2008