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| Lizard intraspecific fights | |
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| Tweet Topic Started: Sep 19 2013, 09:28 AM (6,051 Views) | |
| VenomousDragon | Jul 30 2014, 05:55 PM Post #31 |
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Omnivore
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You're not alone in having a hard time telling them apart at a glance, I was just pointing out that southern alligator lizards are not by a rule vibrant. I personally find that southern alligator lizards tend to have more bars and be of lighter shades of brown while northern alligator lizards tend to be darker and have fewer bars but individuals also vary a great deal so it may simply be the ones I've encountered but the lighter shades vs darker shades seems to hold fairly true. The species I'm most familiar with is the northwestern alligator, it is a small species with a great deal of variations, ranging from deep rusty red-brown colours to light yellow-browns with almost green heads most females tend to be a lighter brown but the variation can be so great you would almost think they were different subspecies despite being found mere meters from one another, what I find most amazing about it is they all start life a metallic copper colour. So in short I really can't help 
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| spinosaurus rex | Jul 30 2014, 06:02 PM Post #32 |
Carnivore
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yeah, I noticed that. guess their not much proper physical differences to distinguish the two in an affirmative manner. but i'll see if I can get into it. there has to be a distinguishing feature.
Edited by spinosaurus rex, Jul 30 2014, 06:03 PM.
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| spinosaurus rex | Jul 30 2014, 06:12 PM Post #33 |
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Carnivore
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found it! other then the coloration, one difference is in the eyes. southern alligator lizards have brighter, yellowish eyes, while the northern species are comparatively darker. another difference is the belly scales. SAL have dark marks running lengthwise whereas it's absent in the NAL. heres an image comparison  |
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| Taipan | Jan 15 2015, 09:44 PM Post #34 |
Administrator
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Bloody courtship battle captured in Alice Springs 15 January, 2015 3:01PM ACST By Emma Sleath Rare images captured of sand goannas locked in a violent scuffle over a female.PrintEmailPermalinkShare  Sand goannas captured battling it out over a female near Alice Springs (with permission: Chris Watson)  Sand goannas captured battling it out over a female near Alice Springs (with permission: Chris Watson)  Sand goannas captured battling it out for a female near Alice Springs (ABC Local: Chris Watson)  Sand goannas captured battling it out for a female near Alice Springs (ABC Local: Chris Watson)  Sand goannas captured fighting over a female near Alice Springs (With permission: Chris Watson)  Sand goannas captured fighting over a female near Alice Springs (With permission: Chris Watson)  And the victor gets the spoils... (With permission: Chris Watson) The adult goannas (also known as Gould's monitors or sand monitors) were spotted through the office window of an environmental consultancy just south of Alice Springs. Photographer Chris Watson was working there at the time and raced outside with his camera. "I was lucky enough to have the window desk...goannas used to go about their day to day business right in front of us really, but this was the first time I'd seen this," he said. "These two males locked horns and were fighting over the local female monitor who'd dug her burrow there. "They were fighting for about ten minutes, wrestling and throwing each other around." Mr Watson says the sand monitors, the second largest goannas in the region after the Perentie, were oblivious to his presence. "I was just lying on the dirt beside them and they just kept going at it and I was able to get really close," he said. "They were throwing each other clear of the ground, then they'd spend a long time locked in an embrace, wrestling and clawing at each other's throats. "It was exhausting to watch." Reptile specialist Peter Gunn has lived in the region for over a decade and says he's never witnessed a courtship battle between goannas, who are usually quite shy around humans. "It's normally something that's going for at the most a couple of minutes," he said. "You've got to be pretty lucky to encounter it." http://www.abc.net.au/local/photos/2015/01/14/4162230.htm?site=&xml=4162230-mediarss.xml#bigpicturepos |
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| Shin | Jan 16 2015, 08:15 AM Post #35 |
Omnivore
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even though this post is old, you reminded me of my fondness of alligator lizards as well: I used to catch many-many alligator lizards in my youth-they were my absolute favorite @ one point. The only thing I despised about them is there defense mechanisms which include them trying to actively smear there feces & urine on you when you pick them up-not to mention there powerful bites(which don't hurt much-more of a surprising 'jolt'). Any e way-I said all that to post pictures of 'arboreal alligator lizards from S. America..an absolutely cool looking species    but back on topic:  These two male San Diego Alligator Lizards were spotted fighting over a female on a back porch in Los Angeles County. http://www.californiaherps.com/info/livingwithherps.html |
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| spinosaurus rex | Jan 16 2015, 10:12 AM Post #36 |
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Carnivore
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man, mexican arboreal alligator lizards are gorgeous. i always wanted to see a live one. that and the caiman lizard. it's just something about their elongated, sepintine bodies that i come to respect greatly. and by the way taipan, that was an incredible video. |
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| Ceratodromeus | Jan 16 2015, 10:13 AM Post #37 |
Aspiring herpetologist
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alligator lizards are definetly some of the neater lizards out there!
Edited by Ceratodromeus, Jan 16 2015, 10:13 AM.
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| spinosaurus rex | Jan 16 2015, 10:22 AM Post #38 |
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Carnivore
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mexican beaded lizards gila monsters Edited by spinosaurus rex, Jan 16 2015, 10:23 AM.
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| Deleted User | Jan 16 2015, 11:03 AM Post #39 |
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| Creeper | Jan 16 2015, 11:31 AM Post #40 |
Carboniferous Arthropod
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hey look ceratodromeus, varanids flipping there opponents on there backs! |
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| Deleted User | Jan 17 2015, 07:31 PM Post #41 |
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| Lycaon | Jan 17 2015, 07:38 PM Post #42 |
Omnivore
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I really take them for granted as I usually find several every month of the year. |
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| Deleted User | Jan 18 2015, 12:27 PM Post #43 |
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| Ceratodromeus | Jan 23 2016, 01:24 PM Post #44 |
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Aspiring herpetologist
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i can't believe i just saw this but i remember which thread this comes from Bengal monitors Edited by Ceratodromeus, Jan 23 2016, 01:27 PM.
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| Ceratodromeus | Feb 6 2016, 02:46 PM Post #45 |
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Aspiring herpetologist
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lace monitor fight While driving on a dirt road ca. 5 km north of Culcairn, NSW (ca. 35°37’20”S ; 147°2’39”E) at around 1155 h on 21 October 2007, two adult Varanus varius (each ca. 1.2 m in total length) were spotted at the side of the road near the base of a eucalypt, engaged in ritualized combat with one individual on top of the other. After about five minutes of struggling and changing positions, often raised on their hind legs and supported by their tails, the combat ceased suddenly. One individual ran off, while the other climbed the tree at the base of which they had been combating. Based on a comparison of body markings, it is clear that the victor, the monitor that ascended the tree, was on top of its opponent when first sighted, and managed to force itself on top of its rival at least four times over the course of the observation. Inspection of the images shows that both animals sustained some lacerations to their bodies. A comment on the images from the photographer’s point of view: In the usual tiresome way of wildlife in nature, the monitors were combating in partial shade against a mottled background. It couldn’t be helped as my son, who was learning to drive at the time, had unfortunately somewhat ‘overshot’ the location. I was not going to get out of the car as I was afraid of disturbing them, so only shot through an open car window from about 15 m away using the maximum optical zoom of a Fuji FinePix S7000. http://www.varanidae.org/Vol3_No1.pdf |
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6:34 PM Jul 13
