A honey bee is seen on a bouquet of forget-me-nots in the woodlands section of The Fullerton Arboretum on Wednesday March 19, 2008 in Fullerton, Calif. Spring finally arrived on March 20, bringing concerns about the effects of climate change with it. Scientists have found that grass and trees are "greening up" earlier than they have in the past.
A hummingbird moves in to drink nectar from hundreds of salvia elegance blossoms at the Fullerton Arboretum on Wednesday March 19, 2008, in Fullerton, Calif. Spring is finally here. The vernal equinox took place just before 2:00 a.m. Eastern time when the sun passed directly over the Equator.
A newborn zebra, 3 days-old and yet to be named, stands with its mother Yoko at a zoo in Lima, Friday, March 14, 2008. The baby zebra is the second zebra born in captivity in Peru. Spring also bring the first look at many animals born during the winter months.
A sparrow perches in the early morning among some magnolia blossoms, Tuesday, March 18, 2008, in the Rose Garden at the White House. Washington's cherry blossoms are set to peak at the end of the month. Just 30 years ago, the trees took until April 5th to fully bloom.
This lone bluebonnet, the state flower of Texas, blooms in a south side front yard Thursday, March 6, 2008, in Austin, Texas. "Lupinius texensis," according to historian Jack Maquire, "...is to Texas what the shamrock is to Ireland, the cherry blossom to Japan, the lily to France, the rose to England and the tulip to Holland."
A ladybug sits on a leaf in a greenhouse in New Market, Va., Sunday, March 9, 2008. Ladybugs are among the most efficient of the beneficial insects, particularly for home gardeners. The adults and larvae feed voraciously on aphids and mites, among other plant pests.
A couple admires a bunch of metal flowers in a park in Schleswig, northern Germany, as temperatures reach four degrees Celsius (39.2 Fahrenheit) on Wednesday, March 19, 2008.
A rabbit sits among blooming narcissus in Lehen, Germany, Wednesday, March 19, 2008. The weather during the Easter holidays will be cold and rainy, according to forecasters.
A butterfly rests on an almond blossom in an orchard as spring arrives after a long spell of winter at the Badamwari garden in Srinagar, India, Tuesday, March 12, 2008.
This Eastern Black Swallowtail butterfly is covered with pollen as it feeds on a blooming thistle plant Monday, March 17, 2008, near Archer, Fla. As spring approaches these butterflies can be seen taking advantage of the blooming flowers throughout Florida.
Oakland Athletics left fielder Jeff Fiorentino can't catch an RBI hit by Los Angeles Angels' Gary Matthews Jr. as teammate Chris Denorfia, rear, looks on during the fifth inning of a spring training baseball game Wednesday, March 19, 2008, in Phoenix.
School children apply colors on each other's face as they celebrate Holi, the Spring Festival of Colors in Hyderabad, India, Thursday, March 20, 2008.
A flock of flamingos can be viewed through a selection of Spring flowers at the Wildfowl & Wetlands Trust, Slimbridge, England, Tuesday, March 18, 2008.
A Ford Mustang cruises Lake Washington Blvd. E through the Washington Arboretum in Seattle, Wash., where the flowering cherry blossoms are starting to show Wednesday, March 19, 2008.