PSYC 3201 Lecture Notes - Lecture 54: Brood Patch
25 Dec 2016
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Ex: mute swans, geese, cranes, and gibbons monkey. Seasonal: partners only for one spring season. Seahorses males give birth after female deposits around 200 eggs intp his brood patch offspring are independent and are born after 21 days. Sea dragon males keep eggs in their tail, they are also seasonal breeders. Successive the organism mates then moves on to next, multiple partners in one breeding season. Simultaneous (harem) males mate with several females at the same time. Red-wing blackbirds: male has multiple mates, some in his own territory and some in neighbooring territories. Grey seal: combination of simultaneous and permanent monogamy male has a harem, but it"s the same harem each year (the same multiple females) Jacana bird: female is colorful, dominant, and defends territory males are courted by females male incubates while female goes and breeds with other males. Male rhea (ostritch) has harem with 15 females (polygyny) Each female lays egg every other day for 7-10 days.
