When Lillian looks up Roland Peacock on her phone, she gets several results. One is an advertisement for renting a peacock by the hour, which Titus does in the following episode. Another is a story about the financial success of Argus, the peacock that Jack Donaghy inherited in 30 rock.
The Hispaniolan Solenodon hasn't been seen in the wild since 2008; while an actual animal it is considered "functionally extinct".
Lillian watches a video on her phone of her ex-husband playing music at "Seb's Pure Jazz." This is a reference to the ending of "La La Land."
Titus is eating a breakfast cereal called "Körn Czechs."