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Photo: Craig MacKenzie. Breeding Season 1. Brought to you by Fruzio.
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Photo: Craig MacKenzie Breeding Season 1 Brought to you by Fruzio Course prepared by Sarah Jamieson for BirdsNew Zealand www.osnz.org.nz with funding from T/GEAR (a New Zealand Charitable Trust). All photos are from www.nzbirdsonline.org.nz, unless otherwise noted. Slides can be customized to meet audience needs, provided the content and branding remain unchanged.
Photo: Neil Fitzgerald Brought to you by Fruzio Breeding Season Part 1: Reproduction • Copulation • Gonads • Egg Morphology • Nests Part 2: Behaviour • Mating Systems • Parental Care
Photo: Neil Fitzgerald Brought to you by Fruzio Breeding Season Part 1: Reproduction • Copulation • Gonads • Egg Morphology • Nests Part 2: Behaviour • Mating Systems • Parental Care • Mating Systems • Parental Care
Photo: Steve Attwood Copulation Brought to you by Fruzio • Most species lack external genitalia • Transfer sperm by cloacal kissing • Ejaculate contains over a billion spermatozoa
Non- Breeding Testis Brought to you by Fruzio Kidney Ureter Vas deferens Cloaca
Breeding Brought to you by Fruzio Testis Kidney Ureter Vas deferens Cloaca
Ovary Brought to you by Fruzio Kidney Oviduct Ureter Vestigial Oviduct Vagina Cloaca
Mature Ovum Ovary Kidney Ureter Vestigial Oviduct Vagina Cloaca Brought to you by Fruzio Infundibulum Magnum Oviduct Isthmus Shell Gland
The Egg • Nutrients • Water • Air exchange • Protection Brought to you by Fruzio
Brought to you by Fruzio Shell Yolk Albumen (egg white)
Brought to you by Fruzio Germinal Disc Nutrients
Brought to you by Fruzio Yolk Germinal Disc Vitelline Membrane Nutrients
Brought to you by Fruzio Yolk Germinal Disc Vitelline Membrane Thick Albumen Thin Albumen Nutrients
Shell Brought to you by Fruzio Yolk Germinal Disc Vitelline Membrane Thick Albumen Thin Albumen Nutrients
Shell Brought to you by Fruzio Yolk Germinal Disc Vitelline Membrane Thick Albumen Thin Albumen Water
Shell Outer Shell Membrane Inner Shell Membrane Brought to you by Fruzio Yolk Germinal Disc Vitelline Membrane Thick Albumen Thin Albumen Air Cell Water
Brought to you by Fruzio Photo: Sarah Jamieson personal
Shell Outer Shell Membrane Inner Shell Membrane Brought to you by Fruzio Yolk Germinal Disc Vitelline Membrane Thick Albumen Thin Albumen Air Cell Gas Exchange
Shell Outer Shell Membrane Inner Shell Membrane Brought to you by Fruzio Yolk Germinal Disc Vitelline Membrane Thick Albumen Thin Albumen Air Cell Protection
Yolk Germinal Disc Vitelline Membrane Thick Albumen Thin Albumen Air Cell Shell Outer Shell Membrane Inner Shell Membrane Chalaza Brought to you by Fruzio Protection
Yolk Germinal Disc Vitelline Membrane Thick Albumen Thin Albumen Air Cell Shell Outer Shell Membrane Inner Shell Membrane Chalaza Brought to you by Fruzio Protection
Brought to you by Fruzio Photo: Sarah Jamieson personal
Yolk Germinal Disc Vitelline Membrane Thick Albumen Thin Albumen Air Cell Shell Outer Shell Membrane Inner Shell Membrane Chalaza Brought to you by Fruzio Fresh Egg
Brought to you by Fruzio What is a nest ?
Brought to you by Fruzio What is a nest ? A place where a bird incubates its eggs.
Brought to you by Fruzio What is a nest ? A place where a bird incubates its eggs. Picture a nest in your mind, what does it look like?
Brought to you by Fruzio Cup Photo: Peter Reese
Brought to you by Fruzio Scrape Photo: Craig MacKenzie
Photo: Nicholas Allen Brought to you by Fruzio Scrape
Photo: Nicholas Allen Brought to you by Fruzio Scrape
Scrape Cavity Photo: Craig MacKenzie Photo: Sabine Bernert Photo: Rod Morris Brought to you by Fruzio Photo: Sabine Bernert
Scrape Cavity Photo: Craig MacKenzie Photo: Sabine Bernert Burrow Photo: Rod Morris Brought to you by Fruzio
Scrape Cavity Photo: Craig MacKenzie Photo: Sabine Bernert Burrow Mound Photo: Rod Morris Photo: Kyle Morrison Brought to you by Fruzio Photo: Sabine Bernert
Photo: Neil Fitzgerald Found an active nest? Brought to you by Fruzio Take part in OSNZ Nest Record Scheme! Over 26,000 records from 144 spp so far! • Record: • What species • When you found it • Details of where it is • Whether the adult is incubating • # of eggs or chicks, age of chicks Visit www.osnz.org.nz/nest-record-scheme to learn moreand find out how to report your findings
Photo: Neil Fitzgerald Brought to you by Fruzio Breeding Season Part 1: Reproduction • Copulation • Gonads • Egg Morphology • Nests Part 2: Behaviour • Mating Systems • Parental Care