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COMPARATIVE REPRODUCTION - Coggle Diagram

- - - - Cervinae
        
        plesiometacarpal
        
        e.g. muntjak, elk, fallow deer, chital
      - Capriolinae
        
        telemetacarpal
        
        e.g. roe deer, moose, reindeer
      - sexual dimorphism
        
        Antlers
        
        most obvious sign of dimorphisn
        
        bone not horn
        
        living ang groing tissue
        
        expensive for the organism to maintain
        
        covered in velevet
        
        vascolarization
        
        lost at beginning of rut
        
        during the shedding the deer is vulnerable
        
        bone dies
        
        :arrow_up: testosterone levels
        
        lost once a year
        
        usu end of winter
        
        immediately gow new ones
        
        bigger males in most subspecies
        
        stronger neck muscles
        
        differently colored coat
      - mating season
        
        seasonal
        
        aug/sep :arrow_right: dec/jan
        
        single fem sex group throughout the year
        
        polygynal mating system
        
        rut begins
        
        males create a harem
        
        vocalize frequently
        
        'if 2 males males a fight start if both the same size'
        
        retreat of one male wtho serious injuries
        
        puberty
        
        red deer
        
        M 2-4 years
        
        F 2 years
        
        fallow deer
        
        M and F from 16 months on
        
        M dont breed until 48 months
        
        roe deer
        
        males do not bread until much after reching sexual maturity
        
        sexual maturity :red_cross: social maturity
        
        Fallow deer
        
        mid sep :arrow_right: mid oct
        
        adams apple slides up and down
        
        small breeding terrtories
        
        marked with urine
        
        aggressive males tws female
        
        TST levels increae around july
        
        Oestrus
        
        starts around oct
        
        lasts 24-26 days
        
        polyestrous
        
        most female conceive during first rut
        
        Roe deer
        
        F initiates search
        
        lures him into territory
        
        no same sex individuals within territory
        
        M tries to have ovelapping territory
        
        rut in July-August
        
        grow antlers during winter