It has been at least five years since Google placed a Google Easter logo around Easter time on their pages. This year is no exception, if you visit Google.com, you won't see a special Google logo or Doodle for Easter. As you can imagine, there are many people upset with Google over this lack of a logo. I have linked to threads and threads of people complaining below.
Bing, Ask.com and Dogpile have special logos and themes up for the day - Yahoo does not. Here they are:
Happy Easter and here are the complaint threads.