Vanburenswren - President's bird?

Word by letter:

• Vanburenswren - Letter on V
• 1 - st. word V
• 2 - st. word A
• 3 - st. word N
• 4 - st. word B
• 5 - st. word U
• 6 - st. word R
• 7 - st. word E
• 8 - st. word N
• 9 - st. word S
• 10 - st. word W
• 11 - st. word R
• 12 - st. word E
• 13 - st. word N