The female does most of the incubating (sitting on the eggs), but the male helps when he isn't looking for food. Eggs hatch in about 12 days. Once the young cardinals have hatched, the male tends to them while the female begins building a new nest.Northern Cardinals usually have two broods (sets of young) each year.he female does most of the incubating (sitting on the eggs), but the male helps when he isn't looking for food. Eggs hatch in about 12 days. Once the young cardinals have hatched, the male tends to them while the female begins building a new nest.
View More... 1  SIP, the session initiation protocol, is the IETF protocol for VOIP and other text and multimedia sessions, like instant messaging, video, online games and other services. Abstract from the RFC 3261 (formatted_and_explained version) - SIP: Session Initiation Protocol.
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