Tuesday, December 19, 2017

Florida: A Marshland December

Atala Hairstreak (Eumaeus atala)
My abortive trip to Colombia in December 2014 was followed by a return to more familiar territory, my mother's house in Boca Raton, where Eileen, our grandson Ryan and I were to spend the holidays.    This meant visits to some of my favourite local nature reserves, including the Daggerwing Nature Centre where a row of planted cycads provides food for the caterpillars of the Atala Hairstreak (Eumaeus atala).

Cassius Blue (Leptotes cassius)
Cassius Blue (Leptotes cassius)
Daggerwing is also home to the Cassius Blue (Leptotes cassius), a tropical butterfly at the northern end of its normal range.

Great Pondhawk (Erythemis vesiculosa)
Besides butterflies, Daggerwing is a good place for dragonflies - in this case, a Great Pondhawk (Erythemis vesiculosa).

Great Egret (Ardea alba)
Most of my excursions, though - especially if Eileen and Ryan were with me - were to the more extensive wetlands at Wakodahatchee and (as here) Green Cay, both just north of Boca Raton in Delray.  I have featured these reserves, and their wildlife, many times here before, but there is always something new to see (both areas can swarm with wildlife photographers who must photograph the same animals countless times, so a bit of repetition on my part is surely a minor peccadillo).

Roseate Skimmer (Orthemis ferruginea)
As at Daggerwing, these can be good places for dragonflies.  Here is one I don't see too often, a male Roseate Skimmer (Orthemis ferruginea) - like the Cassius Blue, a tropical species near the northern edge of its range.

Spiny-backed Orbweaver (Gasteracantha cancriformis)
The small stands of trees in the reserves can be strung with the webs of the Spiny-backed Orbweaver (Gasteracantha cancriformis), a colourful and highly variable little spider (and one that it is difficult, at least in South Florida, to mistake for anything else).

American Alligator (Alligator mississippiensis)
For many of the numerous visitors to Green Cay or Wakodahatchee, the biggest thrill is spotting an American Alligator (Alligator mississippiensis) - not, usually, a difficult task.

Peninsula Cooter (Pseudemys peninsularis)
Peninsula Cooter (Pseudemys peninsularis)
I am more interested in turtles, having once committed a book on the subject.  One that I found hard to find for some years, but that appears to be increasingly common now in both reserves, is the Peninsula Cooter (Pseudemys peninsularis).

Peninsula Cooter (Pseudemys peninsularis)
The easiest way to tell this turtle from the much commoner Florida Red-bellied Turtle (Pseudemys nelsoni) is by looking for the paired yellow "hairpin" lines on the top of its head.

The chief glory of these reserves, though, is surely their birdlife, the target of many an expert or beginning birder (in this case, Ryan, actually in Mom's back garden).

Wood Stork (Mycteria americana)
Wood Stork (Mycteria americana)
In recent years the birds at both places have been dominated by an influx of breeding Wood Storks (Mycteria americana).  

Wood Stork (Mycteria americana)
Wood Stork (Mycteria americana)
At times, these days, there seem to be storks on almost every tree.

Wood Stork and Red-shouldered Hawk
 This one is sharing a perch with a Red-shouldered Hawk (Buteo lineatus).

Roseate Spoonbill (Platalea ajaja)
Roseate Spoonbill (Platalea ajaja)
Roseate Spoonbill (Platalea ajaja)
The most spectacular bird in the area, though, remains the Roseate Spoonbill (Platalea ajaja).  Spoonbills tend to prefer brackish water, and they are not always present at these two freshwater reserves.

Roseate Spoonbill (Platalea ajaja)
Roseate Spoonbill (Platalea ajaja)
When they are around, though, they draw everyone's eye.

Sora (Porzana carolinensis)
At the other end of the water bird size scale from the Wood Stork is the Sora (Porzana carolinensis), a little crake that is probably common in the marshes but, because of its shy behaviour, can be difficult to see.

Palm Warbler (Setophaga palmarum)
Palm Warbler (Setophaga palmarum)
The little Palm Warbler (Setophaga palmarum) is a nearly ubiquitous winter visitor.

Broad-winged Hawk (Buteo platypterus)
Larger visitors include a few hawks.  The Broad-winged Hawk (Buteo platypterus) is a common migrant and winter visitor in Florida.

Northern Harrier (Circus cyaneus)
One some winter days you can find a Northern Harrier (Circus cyaneus) coursing back and forth over the marshes.

Snowy Egret (Egretta thula)
Herons are everywhere, from the delicately graceful Snowy Egret (Egretta thula)...

Great Blue Heron (Ardea herodias)
Great Blue Heron (Ardea herodias)
...to the Great Blue Heron (Ardea herodias), here gathering twigs to add to its massive nest.

Tricoloured Heron (Egretta tricolor)
Tricoloured Heron (Egretta tricolor)
The Tricoloured Heron (Egretta tricolor) may be the most numerous of the herons in the area.

Green Heron (Butorides virescens)
Green Herons (Butorides virescens) are a bit harder to spot, but will pose quite nicely once they are found.

Glossy Ibis (Plegadis falcinellus)
 For some reason I have trouble getting a shot of a Glossy Ibis (Plegadis falcinellus) without a lot of vegetation in the way, so I am quite happy with this photo.

Pied-billed Grebe (Podilymbus podiceps)
Pied-billed Grebe (Podilymbus podiceps)
Pied-billed Grebes (Podilymbus podiceps) aer delightful little birds.  I cannot help looking at them without thinking of my late graduate supervisor Robert W. Storer, the world authority on the family and a lovely human being besides.

Pied-billed Grebe (Podilymbus podiceps)
This bird has, rather surprisingly, retained its breeding colour into December - for once, showing why the bird is called the Pied-billed Grebe.

Purple Gallinule (Porphyrio martinicus)
Purple Gallinule (Porphyrio martinicus)
Purple Gallinule (Porphyrio martinicus)
Finally, here is an immature Purple Gallinule (Porphyrio martinicus), without the high gloss and bright colours of the adult but already agile enough to clamber about on the emergent vegetation in its search for flower buds and other delicacies.

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