Most common garden birds have an average age of between 2 and 5 years. However, the maximum lifespan recorded for many of these birds is much higher. For example, the average age of a blue tit is 2.7 years but the oldest recorded was over 21 years old.
How many times a year do Cardinals lay eggs?
Three or four eggs are laid in each clutch. Eggs measure approximately 26 mm × 19 mm (1.02 in × 0.75 in) in size. The female generally incubates the eggs, though, rarely, the male will incubate for brief periods of time. Incubation takes 12 to 13 days.
Are Cardinals aggressive?
Males can be aggressive when defending their territory, and they frequently attack other males who intrude. Male cardinals are bright red all year; they don't lose their color after breeding season is over. Cardinals have a conspicuous crest. The northern cardinal is the most popular state bird in the U.S.