Looking to shake up their routine lives, three amateur bird watchers compete to become the ultimate 'birder' by spotting the greatest number of species within a single calendar year. But the friendly rivalry soon turns into a hilariously complicated cross-country adventure as each man begins to realize that the quest for success comes at a price, and that's not chicken feed!

Grumpy old men: Neighborhood curmudgeons' long-running feud becomes an all-out rivalry when an attractive widow moves into the house across the street. Grumpier old men: John and Max resolve to save their beloved bait shop from turning into an Italian restaurant, just as its new female owner catches Max's attention.

Felix is fastidious to a fault. He proves that cleanliness is next to insanity. Matthau is Oscar, who wreaks havoc on a tidy room with the speed and thoroughness of a tornado. An enduring and endearing picture, with the intelligence one usually misses in comedies.