"Not everybody flocking to Washington these days is sporting feathers. Some rather unusual environmental experts have been called in to help revamp the Interstate Highway System." (Photo by J.M. Hilton)

"Right you are, canny canine! And when it comes to environmentally friendly highways, who's more in the know than we fiendishly clever Sciuridae?" (Photo by J.M. Hilton)

"Coming soon to a dealer near you -- SQUIRREL CARS?" (Photo by J.M. Hilton)

"All the ducks are leaving Lincoln Park and going to Washington, where the streets are paved with bread crumbs!" (Photo by J.M. Hilton)

"Whoa! I need to get busy with my tweets!" (Photo by J.M. Hilton)

"Further, what's this I hear about a big, new vegetable garden there? That's sure to mean fresh lettuce!" (Photo by J.M. Hilton)

"Nuts?" (Photo by J.M. Hilton)

"Not officially!" (Photo by S. Jayne)

Earlier this week: "Dulcinea the Duck has taken over her duties as the nation's First Pet with all the zeal of a narco dog finding a suitcase full of EZ." (Photo by J.M. Hilton)

"Column left! Webbed feet right!" (Photo by J.M. Hilton)

"Growl's out that she's invited her entire family down to Washington to share in her success!" (Photo by J.M. Hilton)

"Twelve hatched eggs and a drake who drinks! I can really use a bailout!" (Photo by J.M. Hilton)

"Other feathers are also said to be fluttering..." (Photo by J.M. Hilton)

"I understand they're planting a vegetable garden on the White House lawn. That will mean a plenitude of mice, chipmunks, and twitchy junior congressmen!" (Photo by J.M. Hilton)

"I should have considered a government job months ago!" (Photo by J.M. Hilton)