The last time Google has a special Google logo, aka Doodle, for Easter was in 2000, yes, 16 years ago. But every year, searchers are surprised not to see a Google Easter logo. Here is the logo from Google in 2000:
The thing is, if you go to the competitors, such as Bing and Ask.com you do get an Easter theme. Here is Bing with a bunny:
This image has been removed because of fear of being sued over copyright...
Here is Ask with Easter eggs:
In 2013, Google went with a Cesar Chavez Logo instead of an Easter logo. But every year, since we've been covering Google, no easter logo from the mega search engine.
Forum discussion at Google+.