According to this article by Lee Perry-Gal et al.:
The arrival of chickens in Greece likely postdates Homer (around the eighth century B.C.E.), because the Greek poet does not mention this bird, but chickens are mentioned by Theognis of Megara in the sixth century.
However, this seems to contradict the fact that Homer mentions a character by the name ...
Martin West's Loeb volume Greek Epic Fragments collects all the available fragments for the Titanomachy and a short introduction (2 paragraphs) on it. This is also where you'll find all the available fragments for early Greek epic.
Prometheus defied Zeus in order to benefit humanity, and was punished harshly for it (Aeschylus' Prometheus Bound)
Alcestis offered her life to save her husband's (Euripides' Alcestis)
Iphigenia allowed herself be sacrificed by her father (Euripides' Iphigenia in Aulis)
I would say Argo was not self aware. Instead, Zeus “... spoke through the wood taken from one of his Dodonian oaks, as stated in the first book of the Argonautica (Apollonius of Rhodes, 2009), when a talking beam that Athena had made from a Dodonian oak and fitted in the middle of Argo’s keel, spoke with a terrible voice that frightened the Argonauts.” - ...
Zeus, like his father Cronus before him, was specifically called the youngest of his siblings. This passage comes straight from Hesiod's Theogony (469-479), but you can find it elsewhere, too.
But when she was about to bear Zeus, the father of gods and men, then she besought her own dear parents, Earth and starry Heaven, to devise some plan with her that ...